Made in / Donate

DNS lookup

Everything DNS says about a domain: traced from the root servers down, every record type asked of the domain's own nameservers, each nameserver checked, then every hostname and policy record it points at followed, with SPF, DMARC, DKIM and DNSSEC checked along the way.

Try example.com, gmail.com, www.github.com, dnssec-failed.org, 1.1.1.1. A URL, e-mail address or IP address works too.

bbc.co.uk

Zone bbc.co.uk284 queries in 0.7 s2026-11-09 05:12:38 UTCNot DNSSEC-signed

  • Note bbc.co.uk isn't signed with DNSSEC, so resolvers can't tell forged answers from real ones.

Records

Asked directly of dns1.bbc.com (198.51.45.73), an authoritative server: no cache in between, so these are the live values.

A IPv4 address

300A151.101.0.81
300A151.101.64.81
300A151.101.128.81
300A151.101.192.81

AAAA IPv6 address

300AAAA2a04:4e42::81
300AAAA2a04:4e42:200::81
300AAAA2a04:4e42:400::81
300AAAA2a04:4e42:600::81

NS Nameservers

900NSdns0.bbc.co.uk.
900NSdns0.bbc.com.
900NSdns1.bbc.co.uk.
900NSdns1.bbc.com.
900NSddns0.bbc.co.uk.
900NSddns0.bbc.com.
900NSddns1.bbc.co.uk.
900NSddns1.bbc.com.

SOA Zone authority

900SOAns.bbc.co.uk. hostmaster.bbc.co.uk. 2026110500 1800 600 864000 900

Primary ns.bbc.co.uk · contact hostmaster@bbc.co.uk · serial 2026110500 · refresh 30 min · retry 10 min · expire 10 d · negative TTL 15 min

MX Mail servers

300MX10 cluster1.eu.messagelabs.com.
300MX20 cluster1a.eu.messagelabs.com.

TXT Text (over TCP, 1,700 bytes)

3600TXT"v=spf1 ip4:212.58.224.0/19 ip4:132.185.0.0/16 +include:spf.sis.bbc.co.uk +include:spf.messagelabs.com ~all"
3600TXT"docusign=50f10407-e3e4-4f6a-aae4-712d4eb31329"
3600TXT"docusign=a10ad7b6-cf7e-472d-8157-23061f5b5116"
3600TXT"AqhruG504x81J/Xfsr7HTj4H/GbgcSiCDh6vzEb+x2RvclAu9VyYzaxkjgsnVnzT5P3qGwbGYXOE/FeVU5SUog=="
3600TXT"google-site-verification=Rhy5gpa1LeMjUY6gxrds3K4bhB_SUv-fYU9D3kpeAc8"
3600TXT"google-site-verification=g4yTjpPOOs0WodzDuZ19ElG4j-r0Ipc1FW8fsUTmGVo"
3600TXT"dropbox-domain-verification=l5djk65wpy3z"
3600TXT"adobe-idp-site-verification=9b850a4a56e3fac19aea1e0ac5db302e5cefab444cd73519dce1c72ccd4db058"
3600TXT"google-site-verification=RaiMXJBIiFvqXHd43kv_ekzmXT2l8ibq5Xy0mulndvU"
3600TXT"atlassian-domain-verification=SQsgJ5h/FqwMTXuSG/G4Nd1Gx6uX2keREOsZSa22D5XT46EsEuyaic8Aej4cR4Tr"
3600TXT"Huddle"
3600TXT"J0kgGm0XqA3/6pLD4DHeC5x/dAduzT809P1Iwx/PRCYvVS32rv75RIHKC2aVz47dJxKhPlxGf3h3KXiL6+dyXw=="
3600TXT"apple-domain-verification=jFFO0rdS9IrxgWUR"
3600TXT"msfpkey=3e29l8m08bqxp19k63t73fj5b"
3600TXT"docker-verification=aab67462-78f7-4ade-a86b-358645923430"
3600TXT"slack-domain-verification=wMCDUxtzgNFdmaVVeB6w6mDT8srz7ZIWqzV31zPu"
3600TXT"asv=0f1cb0a74a95764aafe8161309533029"
3600TXT"access-domain-verification=d2445ac4134b4b6322bf8d546458c73e00100ee3eca47fa1a8646350ea2c18bb"
3600TXT"mongodb-site-verification=XEpCXFkFHrAUlb6oIEIe3hJz6NjerLhU"
3600TXT"_globalsign-domain-verification=bbBoRRQK3gh_LKZJdXpLFcvTT3vy-5obci6r8esay_"
3600TXT"yahoo-verification-key=+1K3fj4MM7tT8erFBTbBdDwhSGqBf37fO60f7R7MHbE="
3600TXT"jamf-site-verification=4q3gnFlazt-0uiCXTEJsgw"

CAA Allowed certificate authorities

300CAA0 issue "amazon.com"
300CAA0 issue "digicert.com"
300CAA0 issue "globalsign.com"
300CAA0 issuewild "globalsign.com"
300CAA0 iodef "mailto:security@bbc.co.uk"
ANY query: refused politely (RFC 8482)
900HINFO"RFC8482" ""

No records of type CNAME, DNAME, HTTPS, SVCB, SRV, NAPTR, DS (REFUSED), DNSKEY, CDS, CDNSKEY, NSEC3PARAM, TLSA, SSHFP, LOC, HINFO, RP, URI, SPF, OPENPGPKEY, ZONEMD, CSYNC, PTR.

Resolution trace

  1. .asked f.root-servers.net 192.5.5.24111 ms

    Referral to uk. signed (1 DS)

    • nsa.nic.uk 156.154.100.3 2001:502:ad09::3
    • nsb.nic.uk 156.154.101.3 2001:502:2eda::3
    • nsc.nic.uk 156.154.102.3 2610:a1:1009::3
    • nsd.nic.uk 156.154.103.3 2610:a1:1010::3
    • dns1.nic.uk 213.248.216.1 2a01:618:400::1
    • dns2.nic.uk 103.49.80.1 2401:fd80:400::1
    • dns3.nic.uk 213.248.220.1 2a01:618:404::1
    • dns4.nic.uk 43.230.48.1 2401:fd80:404::1

    198.97.190.53 failed: NOERROR

  2. uk.asked nsb.nic.uk 156.154.101.36.6 ms

    Referral to bbc.co.uk. unsigned delegation

    • dns0.bbc.com 198.51.44.73 2620:4d:4000:6259:7:9:0:3
    • ddns0.bbc.co.uk 148.163.199.1 2607:f740:e04e::1
    • ddns1.bbc.com 148.163.199.193 2607:f740:e04e:c::1
    • ddns1.bbc.co.uk 148.163.199.65 2607:f740:e04e:4::1
    • ddns0.bbc.com 148.163.199.129 2607:f740:e04e:8::1
    • dns1.bbc.co.uk 198.51.45.9 2a00:edc0:6259:7:9::2
    • dns0.bbc.co.uk 198.51.44.9 2620:4d:4000:6259:7:9:0:1
    • dns1.bbc.com 198.51.45.73 2a00:edc0:6259:7:9::4

    No glue for dns0.bbc.com, ddns1.bbc.com, ddns0.bbc.com, dns1.bbc.com: addresses looked up via a resolver.

    43.230.48.1 failed: NOERROR

  3. bbc.co.uk.asked ddns1.bbc.com 148.163.199.19318 ms

    Answer (authoritative):

    bbc.co.uk.300A151.101.0.81
    bbc.co.uk.300A151.101.64.81
    bbc.co.uk.300A151.101.128.81
    bbc.co.uk.300A151.101.192.81

Nameservers

Every address of every nameserver, asked for bbc.co.uk's SOA. "Parent" means the uk zone delegates to it; "zone" means bbc.co.uk lists it itself.

NameserverListed inAddressStatusSerialTime
ddns0.bbc.co.ukparent + zone148.163.199.1 glueauthoritative202611050017 ms
2607:f740:e04e::1 glueauthoritative202611050019 ms
ddns0.bbc.comparent + zone148.163.199.129 glueauthoritative202611050017 ms
2607:f740:e04e:8::1 glueauthoritative202611050019 ms
ddns1.bbc.co.ukparent + zone148.163.199.65 glueauthoritative202611050017 ms
2607:f740:e04e:4::1 glueauthoritative202611050019 ms
ddns1.bbc.comparent + zone148.163.199.193 glueauthoritative202611050017 ms
2607:f740:e04e:c::1 glueauthoritative202611050018 ms
dns0.bbc.co.ukparent + zone198.51.44.9 glueauthoritative202611050017 ms
2620:4d:4000:6259:7:9:0:1 glueauthoritative202611050017 ms
dns0.bbc.comparent + zone198.51.44.73 glueauthoritative202611050018 ms
2620:4d:4000:6259:7:9:0:3 glueauthoritative202611050017 ms
dns1.bbc.co.ukparent + zone198.51.45.9 glueauthoritative20261105008.0 ms
2a00:edc0:6259:7:9::2 glueauthoritative202611050016 ms
dns1.bbc.comparent + zone198.51.45.73 glueauthoritative20261105007.9 ms
2a00:edc0:6259:7:9::4 glueauthoritative202611050018 ms

DNSSEC

bbc.co.uk isn't signed: no DS at the parent and no DNSKEY in the zone.

Email

Mail servers (MX)

300MX10 cluster1.eu.messagelabs.com.
300MX20 cluster1a.eu.messagelabs.com.

SPF

v=spf1 ip4:212.58.224.0/19 ip4:132.185.0.0/16 +include:spf.sis.bbc.co.uk +include:spf.messagelabs.com ~all

Needs 4 of 10 DNS lookups. Expanded:

  • ip4:212.58.224.0/19
  • ip4:132.185.0.0/16
  • +include:spf.sis.bbc.co.uk
    • -all
  • +include:spf.messagelabs.com
    • include:nets1.spf.messagelabs.com
      • ip4:85.158.136.0/21
      • ip4:193.109.254.0/23
      • ip4:194.106.220.0/23
      • ip4:195.245.230.0/23
      • ip4:95.131.104.0/21
      • ip4:46.226.48.0/21
    • include:nets2.spf.messagelabs.com
      • ip4:216.82.240.0/20
      • ip4:67.219.240.0/20
      • ip4:117.120.16.0/21
      • ip4:103.9.96.0/22
      • ip4:35.228.216.85
      • ip4:146.148.116.76
      • ip4:34.141.160.224
      • ip4:34.70.158.162
      • ip4:34.74.74.140
      • ip4:34.83.159.189
    • ~all
  • ~all

DMARC

v=DMARC1;p=reject;aspf=s;adkim=s;pct=100;fo=0;ri=86400; rua=mailto:dmarc_agg@vali.email;

Policyreject
SPF alignmentstrict
DKIM alignmentstrict
Applies to100% of failing mail
Failure report options0
Report interval1 d
Aggregate reports tomailto:dmarc_agg@vali.email

DKIM

None of the 36 common selectors tried has a key. DKIM may still be set up under another selector: find it in the DKIM-Signature header (s=) of a mail from this domain.

Hosts and reverse DNS

Every hostname the records point at, resolved to its addresses; each address's PTR (reverse DNS), with ✓ where the PTR name resolves back to the same address.

HostAddressReverse DNS (PTR)
bbc.co.uk
the name looked up
151.101.0.81none
151.101.64.81none
151.101.128.81none
151.101.192.81none
2a04:4e42::81none
2a04:4e42:200::81none
2a04:4e42:400::81none
2a04:4e42:600::81none
ddns0.bbc.co.uk
nameserver
148.163.199.1ns2.bbcdns.net ✓
2607:f740:e04e::1none
ddns0.bbc.com
nameserver
148.163.199.129ns2.bbcdns.net.uk ✓
2607:f740:e04e:8::1none
ddns1.bbc.co.uk
nameserver
148.163.199.65ns3.bbcdns.net ✓
2607:f740:e04e:4::1none
ddns1.bbc.com
nameserver
148.163.199.193ns3.bbcdns.net.uk ✓
2607:f740:e04e:c::1none
dns0.bbc.co.uk
nameserver
198.51.44.9ns4.demysdns.co.uk, dns1.p09.nsone.net ✓
2620:4d:4000:6259:7:9:0:1dns1.p09.nsone.net, ns4.demysdns.co.uk ✓
dns0.bbc.com
nameserver
198.51.44.73ns6.demysdns.co.uk, dns3.p09.nsone.net ✓
2620:4d:4000:6259:7:9:0:3dns3.p09.nsone.net, ns6.demysdns.co.uk ✓
dns1.bbc.co.uk
nameserver
198.51.45.9ns5.demysdns.co.uk, dns2.p09.nsone.net ✓
2a00:edc0:6259:7:9::2dns2.p09.nsone.net, ns5.demysdns.co.uk ✓
dns1.bbc.com
nameserver
198.51.45.73ns7.demysdns.com, dns4.p09.nsone.net ✓
2a00:edc0:6259:7:9::4dns4.p09.nsone.net, ns7.demysdns.com ✓
cluster1.eu.messagelabs.com
mail server (MX 10)
85.158.142.213mail837.messagelabs.com ✓
85.158.142.217mail830.messagelabs.com ✓
195.245.230.192mail850.messagelabs.com ✓
195.245.230.197mail855.messagelabs.com ✓
195.245.231.67mail872.messagelabs.com ✓
195.245.231.74mail878.messagelabs.com ✓
cluster1a.eu.messagelabs.com
mail server (MX 20)
34.91.159.228228.159.91.34.bc.googleusercontent.com ✓
autodiscover.eglb.bbc.co.uk
Outlook Autodiscover (autodiscover.bbc.co.uk)
132.185.158.45none
www.bbc.co.uk.pri.bbc.co.uk
www alias (www.bbc.co.uk) · www address (www.bbc.co.uk) · www address (IPv6) (www.bbc.co.uk)
→ bbc.map.fastly.net
151.101.0.81none
151.101.64.81none
151.101.128.81none
151.101.192.81none
bbc.map.fastly.net
www address (www.bbc.co.uk) · www address (IPv6) (www.bbc.co.uk)
151.101.0.81none
151.101.64.81none
151.101.128.81none
151.101.192.81none
sipdir.online.lync.com
SIP over TLS (_sip._tls.bbc.co.uk)
NXDOMAIN
sipfed.online.lync.com
Microsoft Teams / Skype federation (_sipfederationtls._tcp.bbc.co.uk)
52.112.101.124none
xmpp.bbc.co.uk
XMPP server (_xmpp-server._tcp.bbc.co.uk)
81.144.28.238none

Public resolvers

What four public resolvers answer right now, from their caches. Highlighted values differ from the authoritative answer: either a recent change they haven't picked up yet (the TTL says how long until they do), or, for A and AAAA, a CDN or geo-routed site handing each resolver location its own addresses.

ResolverAAAAAMX
Cloudflare 1.1.1.1151.101.0.81
151.101.128.81
151.101.192.81
151.101.64.81
TTL 300
2a04:4e42:200::81
2a04:4e42:400::81
2a04:4e42:600::81
2a04:4e42::81
TTL 300
10 cluster1.eu.messagelabs.com.
20 cluster1a.eu.messagelabs.com.
TTL 300
Google 8.8.8.8151.101.0.81
151.101.128.81
151.101.192.81
151.101.64.81
TTL 251
2a04:4e42:200::81
2a04:4e42:400::81
2a04:4e42:600::81
2a04:4e42::81
TTL 95
10 cluster1.eu.messagelabs.com.
20 cluster1a.eu.messagelabs.com.
TTL 257
Quad9 9.9.9.9151.101.0.81
151.101.128.81
151.101.192.81
151.101.64.81
TTL 300
2a04:4e42:200::81
2a04:4e42:400::81
2a04:4e42:600::81
2a04:4e42::81
TTL 115
10 cluster1.eu.messagelabs.com.
20 cluster1a.eu.messagelabs.com.
TTL 300
OpenDNS 208.67.222.222151.101.0.81
151.101.128.81
151.101.192.81
151.101.64.81
TTL 300
2a04:4e42:200::81
2a04:4e42:400::81
2a04:4e42:600::81
2a04:4e42::81
TTL 134
10 cluster1.eu.messagelabs.com.
20 cluster1a.eu.messagelabs.com.
TTL 300

Text dump

; DNS report for bbc.co.uk
; 2026-11-09 05:12:38 UTC, 284 queries in 0.70 s, zone bbc.co.uk

;; FINDINGS
;  [INFO] bbc.co.uk isn't signed with DNSSEC, so resolvers can't tell forged answers from real ones.

;; RECORDS (authoritative, from dns1.bbc.com (198.51.45.73))
bbc.co.uk.	300	IN	A	151.101.0.81
bbc.co.uk.	300	IN	A	151.101.64.81
bbc.co.uk.	300	IN	A	151.101.128.81
bbc.co.uk.	300	IN	A	151.101.192.81
bbc.co.uk.	300	IN	AAAA	2a04:4e42::81
bbc.co.uk.	300	IN	AAAA	2a04:4e42:200::81
bbc.co.uk.	300	IN	AAAA	2a04:4e42:400::81
bbc.co.uk.	300	IN	AAAA	2a04:4e42:600::81
bbc.co.uk.	900	IN	NS	dns0.bbc.co.uk.
bbc.co.uk.	900	IN	NS	dns0.bbc.com.
bbc.co.uk.	900	IN	NS	dns1.bbc.co.uk.
bbc.co.uk.	900	IN	NS	dns1.bbc.com.
bbc.co.uk.	900	IN	NS	ddns0.bbc.co.uk.
bbc.co.uk.	900	IN	NS	ddns0.bbc.com.
bbc.co.uk.	900	IN	NS	ddns1.bbc.co.uk.
bbc.co.uk.	900	IN	NS	ddns1.bbc.com.
bbc.co.uk.	900	IN	SOA	ns.bbc.co.uk. hostmaster.bbc.co.uk. 2026110500 1800 600 864000 900
bbc.co.uk.	300	IN	MX	10 cluster1.eu.messagelabs.com.
bbc.co.uk.	300	IN	MX	20 cluster1a.eu.messagelabs.com.
bbc.co.uk.	3600	IN	TXT	"v=spf1 ip4:212.58.224.0/19 ip4:132.185.0.0/16 +include:spf.sis.bbc.co.uk +include:spf.messagelabs.com ~all"
bbc.co.uk.	3600	IN	TXT	"docusign=50f10407-e3e4-4f6a-aae4-712d4eb31329"
bbc.co.uk.	3600	IN	TXT	"docusign=a10ad7b6-cf7e-472d-8157-23061f5b5116"
bbc.co.uk.	3600	IN	TXT	"AqhruG504x81J/Xfsr7HTj4H/GbgcSiCDh6vzEb+x2RvclAu9VyYzaxkjgsnVnzT5P3qGwbGYXOE/FeVU5SUog=="
bbc.co.uk.	3600	IN	TXT	"google-site-verification=Rhy5gpa1LeMjUY6gxrds3K4bhB_SUv-fYU9D3kpeAc8"
bbc.co.uk.	3600	IN	TXT	"google-site-verification=g4yTjpPOOs0WodzDuZ19ElG4j-r0Ipc1FW8fsUTmGVo"
bbc.co.uk.	3600	IN	TXT	"dropbox-domain-verification=l5djk65wpy3z"
bbc.co.uk.	3600	IN	TXT	"adobe-idp-site-verification=9b850a4a56e3fac19aea1e0ac5db302e5cefab444cd73519dce1c72ccd4db058"
bbc.co.uk.	3600	IN	TXT	"google-site-verification=RaiMXJBIiFvqXHd43kv_ekzmXT2l8ibq5Xy0mulndvU"
bbc.co.uk.	3600	IN	TXT	"atlassian-domain-verification=SQsgJ5h/FqwMTXuSG/G4Nd1Gx6uX2keREOsZSa22D5XT46EsEuyaic8Aej4cR4Tr"
bbc.co.uk.	3600	IN	TXT	"Huddle"
bbc.co.uk.	3600	IN	TXT	"J0kgGm0XqA3/6pLD4DHeC5x/dAduzT809P1Iwx/PRCYvVS32rv75RIHKC2aVz47dJxKhPlxGf3h3KXiL6+dyXw=="
bbc.co.uk.	3600	IN	TXT	"apple-domain-verification=jFFO0rdS9IrxgWUR"
bbc.co.uk.	3600	IN	TXT	"msfpkey=3e29l8m08bqxp19k63t73fj5b"
bbc.co.uk.	3600	IN	TXT	"docker-verification=aab67462-78f7-4ade-a86b-358645923430"
bbc.co.uk.	3600	IN	TXT	"slack-domain-verification=wMCDUxtzgNFdmaVVeB6w6mDT8srz7ZIWqzV31zPu"
bbc.co.uk.	3600	IN	TXT	"asv=0f1cb0a74a95764aafe8161309533029"
bbc.co.uk.	3600	IN	TXT	"access-domain-verification=d2445ac4134b4b6322bf8d546458c73e00100ee3eca47fa1a8646350ea2c18bb"
bbc.co.uk.	3600	IN	TXT	"mongodb-site-verification=XEpCXFkFHrAUlb6oIEIe3hJz6NjerLhU"
bbc.co.uk.	3600	IN	TXT	"_globalsign-domain-verification=bbBoRRQK3gh_LKZJdXpLFcvTT3vy-5obci6r8esay_"
bbc.co.uk.	3600	IN	TXT	"yahoo-verification-key=+1K3fj4MM7tT8erFBTbBdDwhSGqBf37fO60f7R7MHbE="
bbc.co.uk.	3600	IN	TXT	"jamf-site-verification=4q3gnFlazt-0uiCXTEJsgw"
bbc.co.uk.	300	IN	CAA	0 issue "amazon.com"
bbc.co.uk.	300	IN	CAA	0 issue "digicert.com"
bbc.co.uk.	300	IN	CAA	0 issue "globalsign.com"
bbc.co.uk.	300	IN	CAA	0 issuewild "globalsign.com"
bbc.co.uk.	300	IN	CAA	0 iodef "mailto:security@bbc.co.uk"

;; TRACE
;  bbc.co.uk A
;  . @f.root-servers.net (192.5.5.241) 11 ms [NOERROR qr]: referral to uk.
uk.		NS	nsa.nic.uk.	; 156.154.100.3 2001:502:ad09::3
uk.		NS	nsb.nic.uk.	; 156.154.101.3 2001:502:2eda::3
uk.		NS	nsc.nic.uk.	; 156.154.102.3 2610:a1:1009::3
uk.		NS	nsd.nic.uk.	; 156.154.103.3 2610:a1:1010::3
uk.		NS	dns1.nic.uk.	; 213.248.216.1 2a01:618:400::1
uk.		NS	dns2.nic.uk.	; 103.49.80.1 2401:fd80:400::1
uk.		NS	dns3.nic.uk.	; 213.248.220.1 2a01:618:404::1
uk.		NS	dns4.nic.uk.	; 43.230.48.1 2401:fd80:404::1
uk.	86400	IN	DS	43876 8 2 A107ED2AC1BD14D924173BC7E827A1153582072394F9272BA37E2353BC659603
;  uk. @nsb.nic.uk (156.154.101.3) 6.6 ms [NOERROR qr]: referral to bbc.co.uk.
bbc.co.uk.		NS	dns0.bbc.com.	; 198.51.44.73 2620:4d:4000:6259:7:9:0:3
bbc.co.uk.		NS	ddns0.bbc.co.uk.	; 148.163.199.1 2607:f740:e04e::1
bbc.co.uk.		NS	ddns1.bbc.com.	; 148.163.199.193 2607:f740:e04e:c::1
bbc.co.uk.		NS	ddns1.bbc.co.uk.	; 148.163.199.65 2607:f740:e04e:4::1
bbc.co.uk.		NS	ddns0.bbc.com.	; 148.163.199.129 2607:f740:e04e:8::1
bbc.co.uk.		NS	dns1.bbc.co.uk.	; 198.51.45.9 2a00:edc0:6259:7:9::2
bbc.co.uk.		NS	dns0.bbc.co.uk.	; 198.51.44.9 2620:4d:4000:6259:7:9:0:1
bbc.co.uk.		NS	dns1.bbc.com.	; 198.51.45.73 2a00:edc0:6259:7:9::4
;  bbc.co.uk. @ddns1.bbc.com (148.163.199.193) 18 ms [NOERROR qr aa]: answer
bbc.co.uk.	300	IN	A	151.101.0.81
bbc.co.uk.	300	IN	A	151.101.64.81
bbc.co.uk.	300	IN	A	151.101.128.81
bbc.co.uk.	300	IN	A	151.101.192.81

;; NAMESERVERS (SOA asked of each address)
;  ddns0.bbc.co.uk [parent+zone]
;    148.163.199.1                           ok                        2026110500  17 ms
;    2607:f740:e04e::1                       ok                        2026110500  19 ms
;  ddns0.bbc.com [parent+zone]
;    148.163.199.129                         ok                        2026110500  17 ms
;    2607:f740:e04e:8::1                     ok                        2026110500  19 ms
;  ddns1.bbc.co.uk [parent+zone]
;    148.163.199.65                          ok                        2026110500  17 ms
;    2607:f740:e04e:4::1                     ok                        2026110500  19 ms
;  ddns1.bbc.com [parent+zone]
;    148.163.199.193                         ok                        2026110500  17 ms
;    2607:f740:e04e:c::1                     ok                        2026110500  18 ms
;  dns0.bbc.co.uk [parent+zone]
;    198.51.44.9                             ok                        2026110500  17 ms
;    2620:4d:4000:6259:7:9:0:1               ok                        2026110500  17 ms
;  dns0.bbc.com [parent+zone]
;    198.51.44.73                            ok                        2026110500  18 ms
;    2620:4d:4000:6259:7:9:0:3               ok                        2026110500  17 ms
;  dns1.bbc.co.uk [parent+zone]
;    198.51.45.9                             ok                        2026110500  8.0 ms
;    2a00:edc0:6259:7:9::2                   ok                        2026110500  16 ms
;  dns1.bbc.com [parent+zone]
;    198.51.45.73                            ok                        2026110500  7.9 ms
;    2a00:edc0:6259:7:9::4                   ok                        2026110500  18 ms

;; DNSSEC: unsigned

;; EMAIL
;  SPF (4/10 lookups): v=spf1 ip4:212.58.224.0/19 ip4:132.185.0.0/16 +include:spf.sis.bbc.co.uk +include:spf.messagelabs.com ~all
;    ip4:212.58.224.0/19
;    ip4:132.185.0.0/16
;    +include:spf.sis.bbc.co.uk
;      -all
;    +include:spf.messagelabs.com
;      include:nets1.spf.messagelabs.com
;        ip4:85.158.136.0/21
;        ip4:193.109.254.0/23
;        ip4:194.106.220.0/23
;        ip4:195.245.230.0/23
;        ip4:95.131.104.0/21
;        ip4:46.226.48.0/21
;      include:nets2.spf.messagelabs.com
;        ip4:216.82.240.0/20
;        ip4:67.219.240.0/20
;        ip4:117.120.16.0/21
;        ip4:103.9.96.0/22
;        ip4:35.228.216.85
;        ip4:146.148.116.76
;        ip4:34.141.160.224
;        ip4:34.70.158.162
;        ip4:34.74.74.140
;        ip4:34.83.159.189
;      ~all
;    ~all
;  DMARC: v=DMARC1;p=reject;aspf=s;adkim=s;pct=100;fo=0;ri=86400; rua=mailto:dmarc_agg@vali.email;

;; RELATED NAMES
; DMARC policy
_dmarc.bbc.co.uk.	3600	IN	TXT	"v=DMARC1;p=reject;aspf=s;adkim=s;pct=100;fo=0;ri=86400; rua=mailto:dmarc_agg@vali.email;"
; BIMI brand logo
default._bimi.bbc.co.uk.	3600	IN	TXT	"v=BIMI1; l=https://vmc.digicert.com/ffc97feb-eec4-4634-888d-2ce5bfa3aabf.svg; a=https://vmc.digicert.com/ffc97feb-eec4-4634-888d-2ce5bfa3aabf.pem"
; Outlook Autodiscover
autodiscover.bbc.co.uk.	300	IN	CNAME	autodiscover.eglb.bbc.co.uk.
; Amazon SES verification
_amazonses.bbc.co.uk.	900	IN	TXT	"ZfYDfDSEWQdUN6CN7bdoLIqOhC8YUoXZ+zKdVWWed+4="
; www alias
www.bbc.co.uk.	28800	IN	CNAME	www.bbc.co.uk.pri.bbc.co.uk.
; www address
www.bbc.co.uk.	28786	IN	CNAME	www.bbc.co.uk.pri.bbc.co.uk.
www.bbc.co.uk.pri.bbc.co.uk.	286	IN	CNAME	bbc.map.fastly.net.
bbc.map.fastly.net.	46	IN	A	151.101.64.81
bbc.map.fastly.net.	46	IN	A	151.101.128.81
bbc.map.fastly.net.	46	IN	A	151.101.192.81
bbc.map.fastly.net.	46	IN	A	151.101.0.81
; www address (IPv6)
www.bbc.co.uk.	28800	IN	CNAME	www.bbc.co.uk.pri.bbc.co.uk.
www.bbc.co.uk.pri.bbc.co.uk.	300	IN	CNAME	bbc.map.fastly.net.
; SIP over TLS
_sip._tls.bbc.co.uk.	3600	IN	SRV	100 1 443 sipdir.online.lync.com.
; Microsoft Teams / Skype federation
_sipfederationtls._tcp.bbc.co.uk.	3600	IN	SRV	100 1 5061 sipfed.online.lync.com.
; XMPP server
_xmpp-server._tcp.bbc.co.uk.	900	IN	SRV	10 5 5269 xmpp.bbc.co.uk.

;; HOSTS
;  bbc.co.uk (the name looked up)
;    151.101.0.81                            PTR none
;    151.101.64.81                           PTR none
;    151.101.128.81                          PTR none
;    151.101.192.81                          PTR none
;    2a04:4e42::81                           PTR none
;    2a04:4e42:200::81                       PTR none
;    2a04:4e42:400::81                       PTR none
;    2a04:4e42:600::81                       PTR none
;  ddns0.bbc.co.uk (nameserver)
;    148.163.199.1                           PTR ns2.bbcdns.net (confirmed)
;    2607:f740:e04e::1                       PTR none
;  ddns0.bbc.com (nameserver)
;    148.163.199.129                         PTR ns2.bbcdns.net.uk (confirmed)
;    2607:f740:e04e:8::1                     PTR none
;  ddns1.bbc.co.uk (nameserver)
;    148.163.199.65                          PTR ns3.bbcdns.net (confirmed)
;    2607:f740:e04e:4::1                     PTR none
;  ddns1.bbc.com (nameserver)
;    148.163.199.193                         PTR ns3.bbcdns.net.uk (confirmed)
;    2607:f740:e04e:c::1                     PTR none
;  dns0.bbc.co.uk (nameserver)
;    198.51.44.9                             PTR ns4.demysdns.co.uk, dns1.p09.nsone.net (confirmed)
;    2620:4d:4000:6259:7:9:0:1               PTR dns1.p09.nsone.net, ns4.demysdns.co.uk (confirmed)
;  dns0.bbc.com (nameserver)
;    198.51.44.73                            PTR ns6.demysdns.co.uk, dns3.p09.nsone.net (confirmed)
;    2620:4d:4000:6259:7:9:0:3               PTR dns3.p09.nsone.net, ns6.demysdns.co.uk (confirmed)
;  dns1.bbc.co.uk (nameserver)
;    198.51.45.9                             PTR ns5.demysdns.co.uk, dns2.p09.nsone.net (confirmed)
;    2a00:edc0:6259:7:9::2                   PTR dns2.p09.nsone.net, ns5.demysdns.co.uk (confirmed)
;  dns1.bbc.com (nameserver)
;    198.51.45.73                            PTR ns7.demysdns.com, dns4.p09.nsone.net (confirmed)
;    2a00:edc0:6259:7:9::4                   PTR dns4.p09.nsone.net, ns7.demysdns.com (confirmed)
;  cluster1.eu.messagelabs.com (mail server (MX 10))
;    85.158.142.213                          PTR mail837.messagelabs.com (confirmed)
;    85.158.142.217                          PTR mail830.messagelabs.com (confirmed)
;    195.245.230.192                         PTR mail850.messagelabs.com (confirmed)
;    195.245.230.197                         PTR mail855.messagelabs.com (confirmed)
;    195.245.231.67                          PTR mail872.messagelabs.com (confirmed)
;    195.245.231.74                          PTR mail878.messagelabs.com (confirmed)
;  cluster1a.eu.messagelabs.com (mail server (MX 20))
;    34.91.159.228                           PTR 228.159.91.34.bc.googleusercontent.com (confirmed)
;  autodiscover.eglb.bbc.co.uk (Outlook Autodiscover (autodiscover.bbc.co.uk))
;    132.185.158.45                          PTR none
;  www.bbc.co.uk.pri.bbc.co.uk (www alias (www.bbc.co.uk); www address (www.bbc.co.uk); www address (IPv6) (www.bbc.co.uk)) -> bbc.map.fastly.net
;    151.101.0.81                            PTR none
;    151.101.64.81                           PTR none
;    151.101.128.81                          PTR none
;    151.101.192.81                          PTR none
;  bbc.map.fastly.net (www address (www.bbc.co.uk); www address (IPv6) (www.bbc.co.uk))
;    151.101.0.81                            PTR none
;    151.101.64.81                           PTR none
;    151.101.128.81                          PTR none
;    151.101.192.81                          PTR none
;  sipdir.online.lync.com (SIP over TLS (_sip._tls.bbc.co.uk)) NXDOMAIN
;  sipfed.online.lync.com (Microsoft Teams / Skype federation (_sipfederationtls._tcp.bbc.co.uk))
;    52.112.101.124                          PTR none
;  xmpp.bbc.co.uk (XMPP server (_xmpp-server._tcp.bbc.co.uk))
;    81.144.28.238                           PTR none

;; PUBLIC RESOLVERS
;  Cloudflare A     151.101.0.81, 151.101.128.81, 151.101.192.81, 151.101.64.81  ttl 300
;  Cloudflare AAAA  2a04:4e42:200::81, 2a04:4e42:400::81, 2a04:4e42:600::81, 2a04:4e42::81  ttl 300
;  Cloudflare MX    10 cluster1.eu.messagelabs.com., 20 cluster1a.eu.messagelabs.com.  ttl 300
;  Google     A     151.101.0.81, 151.101.128.81, 151.101.192.81, 151.101.64.81  ttl 251
;  Google     AAAA  2a04:4e42:200::81, 2a04:4e42:400::81, 2a04:4e42:600::81, 2a04:4e42::81  ttl 95
;  Google     MX    10 cluster1.eu.messagelabs.com., 20 cluster1a.eu.messagelabs.com.  ttl 257
;  Quad9      A     151.101.0.81, 151.101.128.81, 151.101.192.81, 151.101.64.81  ttl 300
;  Quad9      AAAA  2a04:4e42:200::81, 2a04:4e42:400::81, 2a04:4e42:600::81, 2a04:4e42::81  ttl 115
;  Quad9      MX    10 cluster1.eu.messagelabs.com., 20 cluster1a.eu.messagelabs.com.  ttl 300
;  OpenDNS    A     151.101.0.81, 151.101.128.81, 151.101.192.81, 151.101.64.81  ttl 300
;  OpenDNS    AAAA  2a04:4e42:200::81, 2a04:4e42:400::81, 2a04:4e42:600::81, 2a04:4e42::81  ttl 134
;  OpenDNS    MX    10 cluster1.eu.messagelabs.com., 20 cluster1a.eu.messagelabs.com.  ttl 300