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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.

198.51.44.69

69.44.51.198.in-addr.arpa

Zone 44.51.198.in-addr.arpa94 queries in 0.5 s2026-11-09 05:45:08 UTCDNSSEC signed

No problems found.

Records

Asked directly of dns4.p01.nsone.net (198.51.45.65), an authoritative server: no cache in between, so these are the live values. Each set is DNSSEC-signed.

PTR Reverse pointer

3600PTRdns3.p05.nsone.net.
ANY query: 1 records
60NSEC\000.69.44.51.198.in-addr.arpa. PTR RRSIG NSEC

No records of type A, AAAA, CNAME, DNAME, NS, SOA, MX, TXT, CAA, HTTPS, SVCB, SRV, NAPTR, DS, DNSKEY, CDS, CDNSKEY, NSEC3PARAM, TLSA, SSHFP, LOC, HINFO, RP, URI, SPF, OPENPGPKEY, ZONEMD, CSYNC.

Resolution trace

  1. .asked m.root-servers.net 202.12.27.3315 ms

    Referral to in-addr.arpa. signed (4 DS)

    • c.in-addr-servers.arpa 196.216.169.10 2001:43f8:110::10
    • d.in-addr-servers.arpa 200.10.60.53 2001:13c7:7010::53
    • e.in-addr-servers.arpa 203.119.86.101 2001:dd8:6::101
    • f.in-addr-servers.arpa 193.0.9.1 2a13:27c0:30::1
    • a.in-addr-servers.arpa 199.180.182.53 2620:37:e000::53
    • b.in-addr-servers.arpa 199.253.183.183 2001:500:87::87
  2. in-addr.arpa.asked b.in-addr-servers.arpa 199.253.183.1836.0 ms

    Referral to 198.in-addr.arpa. signed (1 DS)

    • r.arin.net 199.180.180.63 2001:500:f0::63
    • u.arin.net 204.61.216.50 2001:500:14:6050:ad::1
    • x.arin.net 199.180.180.63 2001:500:f0::63
    • y.arin.net 192.82.134.30 2001:500:127::30
    • z.arin.net 199.180.180.63 2001:500:f0::63
    • arin.authdns.ripe.net 193.0.9.10 2a13:27c0:30::10

    No glue for r.arin.net, u.arin.net, x.arin.net, y.arin.net, z.arin.net, arin.authdns.ripe.net: addresses looked up via a resolver.

    199.180.182.53 failed: NOERROR

  3. 198.in-addr.arpa.asked y.arin.net 192.82.134.306.7 ms

    Referral to 44.51.198.in-addr.arpa. signed (1 DS)

    • dns4.p01.nsone.net 198.51.45.65 2a00:edc0:6259:7:1::4
    • dns2.p01.nsone.net 198.51.45.1 2a00:edc0:6259:7:1::2
    • dns1.p01.nsone.net 198.51.44.1 2620:4d:4000:6259:7:1:0:1
    • dns3.p01.nsone.net 198.51.44.65 2620:4d:4000:6259:7:1:0:3

    No glue for dns4.p01.nsone.net, dns2.p01.nsone.net, dns1.p01.nsone.net, dns3.p01.nsone.net: addresses looked up via a resolver.

    199.180.180.63 failed: NOERROR

  4. 44.51.198.in-addr.arpa.asked dns2.p01.nsone.net 198.51.45.16.2 ms

    Answer (authoritative):

    69.44.51.198.in-addr.arpa.3600PTRdns3.p05.nsone.net.

Nameservers

Every address of every nameserver, asked for 44.51.198.in-addr.arpa's SOA. "Parent" means the 198.in-addr.arpa zone delegates to it; "zone" means 44.51.198.in-addr.arpa lists it itself.

NameserverListed inAddressStatusSerialTime
dns1.p01.nsone.netparent + zone198.51.44.1 glueauthoritative162499184315 ms
2620:4d:4000:6259:7:1:0:1 glueauthoritative162499184316 ms
dns2.p01.nsone.netparent + zone198.51.45.1 glueauthoritative16249918436.5 ms
2a00:edc0:6259:7:1::2 glueauthoritative162499184315 ms
dns3.p01.nsone.netparent + zone198.51.44.65 glueauthoritative162499184314 ms
2620:4d:4000:6259:7:1:0:3 glueauthoritative162499184316 ms
dns4.p01.nsone.netparent + zone198.51.45.65 glueauthoritative16249918436.4 ms
2a00:edc0:6259:7:1::4 glueauthoritative162499184315 ms

DNSSEC

44.51.198.in-addr.arpa is signed, and the 198.in-addr.arpa. zone vouches for it with 1 DS record.

Validating resolvers: Cloudflare secure Google secure

DS at the parent

Key tagAlgorithmDigestMatches a DNSKEY
4855313 ECDSAP256SHA256SHA-256yes, digest verified

DNSKEYs in the zone

Key tagRoleAlgorithmSize
48553KSK (signs keys)13 ECDSAP256SHA256256 bits
12196ZSK (signs records)13 ECDSAP256SHA256256 bits

Signatures

OverValid fromExpiresLeft
PTR2026-11-09 04:452026-11-10 06:45 UTC1 d
NSEC2026-11-09 04:452026-11-10 06:45 UTC1 d
DNSKEY2026-11-08 16:142026-11-15 17:14 UTC6.5 d

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)
dns1.p01.nsone.net
nameserver
198.51.44.1dns1.p01.nsone.net ✓
2620:4d:4000:6259:7:1:0:1dns1.p01.nsone.net ✓
dns2.p01.nsone.net
nameserver
198.51.45.1dns2.p01.nsone.net ✓
2a00:edc0:6259:7:1::2dns2.p01.nsone.net ✓
dns3.p01.nsone.net
nameserver
198.51.44.65dns3.p01.nsone.net ✓
2620:4d:4000:6259:7:1:0:3dns3.p01.nsone.net ✓
dns4.p01.nsone.net
nameserver
198.51.45.65dns4.p01.nsone.net ✓
2a00:edc0:6259:7:1::4dns4.p01.nsone.net ✓
dns3.p05.nsone.net
PTR target
198.51.44.69dns3.p05.nsone.net ✓
2620:4d:4000:6259:7:5:0:3dns3.p05.nsone.net ✓

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.

ResolverPTR
Cloudflare 1.1.1.1dns3.p05.nsone.net.
TTL 3600 · validated
Google 8.8.8.8dns3.p05.nsone.net.
TTL 1114 · validated
Quad9 9.9.9.9dns3.p05.nsone.net.
TTL 3600 · validated
OpenDNS 208.67.222.222dns3.p05.nsone.net.
TTL 60 · validated

Text dump

; DNS report for 69.44.51.198.in-addr.arpa (198.51.44.69)
; 2026-11-09 05:45:08 UTC, 94 queries in 0.51 s, zone 44.51.198.in-addr.arpa

;; FINDINGS
;  [OK] No problems found.

;; RECORDS (authoritative, from dns4.p01.nsone.net (198.51.45.65))
69.44.51.198.in-addr.arpa.	3600	IN	PTR	dns3.p05.nsone.net.
69.44.51.198.in-addr.arpa.	3600	IN	RRSIG	PTR 13 6 3600 20261110064508 20261109044508 12196 44.51.198.in-addr.arpa. hXdZunkhQJJ3pf0PD8uBP60epquSGdLQqQLiJKRSAIzv4jQaWNuN7Gqo4wBtBMxIdGnxqT64Du4xxZSp/xQLvA==

;; TRACE
;  69.44.51.198.in-addr.arpa PTR
;  . @m.root-servers.net (202.12.27.33) 15 ms [NOERROR qr]: referral to in-addr.arpa.
in-addr.arpa.		NS	c.in-addr-servers.arpa.	; 196.216.169.10 2001:43f8:110::10
in-addr.arpa.		NS	d.in-addr-servers.arpa.	; 200.10.60.53 2001:13c7:7010::53
in-addr.arpa.		NS	e.in-addr-servers.arpa.	; 203.119.86.101 2001:dd8:6::101
in-addr.arpa.		NS	f.in-addr-servers.arpa.	; 193.0.9.1 2a13:27c0:30::1
in-addr.arpa.		NS	a.in-addr-servers.arpa.	; 199.180.182.53 2620:37:e000::53
in-addr.arpa.		NS	b.in-addr-servers.arpa.	; 199.253.183.183 2001:500:87::87
in-addr.arpa.	86400	IN	DS	63982 8 2 AAF4FB5D213EF25AE44679032EBE3514C487D7ABD99D7F5FEC3383D030733C73
in-addr.arpa.	86400	IN	DS	54956 8 2 E0E2BF5CFBD66572CA05EC18267D91509BA6A9405AF05C3FD4141DFA45200C08
in-addr.arpa.	86400	IN	DS	47054 8 2 5CAFCCEC201D1933B4C9F6A9C8F51E51F3B39979058AC21B8DF1B1F281CBC6F2
in-addr.arpa.	86400	IN	DS	53696 8 2 13E5501C56B20394DA921B51412D48B7089C5EB6957A7C58553C4D4D424F04DF
;  in-addr.arpa. @b.in-addr-servers.arpa (199.253.183.183) 6.0 ms [NOERROR qr]: referral to 198.in-addr.arpa.
198.in-addr.arpa.		NS	r.arin.net.	; 199.180.180.63 2001:500:f0::63
198.in-addr.arpa.		NS	u.arin.net.	; 204.61.216.50 2001:500:14:6050:ad::1
198.in-addr.arpa.		NS	x.arin.net.	; 199.180.180.63 2001:500:f0::63
198.in-addr.arpa.		NS	y.arin.net.	; 192.82.134.30 2001:500:127::30
198.in-addr.arpa.		NS	z.arin.net.	; 199.180.180.63 2001:500:f0::63
198.in-addr.arpa.		NS	arin.authdns.ripe.net.	; 193.0.9.10 2a13:27c0:30::10
198.in-addr.arpa.	86400	IN	DS	38425 8 2 5D11A7E945A7A04DBC9C5E6FB02A87319AABB8A4C44F336F2640BE95A322EC84
;  198.in-addr.arpa. @y.arin.net (192.82.134.30) 6.7 ms [NOERROR qr]: referral to 44.51.198.in-addr.arpa.
44.51.198.in-addr.arpa.		NS	dns4.p01.nsone.net.	; 198.51.45.65 2a00:edc0:6259:7:1::4
44.51.198.in-addr.arpa.		NS	dns2.p01.nsone.net.	; 198.51.45.1 2a00:edc0:6259:7:1::2
44.51.198.in-addr.arpa.		NS	dns1.p01.nsone.net.	; 198.51.44.1 2620:4d:4000:6259:7:1:0:1
44.51.198.in-addr.arpa.		NS	dns3.p01.nsone.net.	; 198.51.44.65 2620:4d:4000:6259:7:1:0:3
44.51.198.in-addr.arpa.	86400	IN	DS	48553 13 2 7F391737DC99F1208362D84B49B70EE7DE0D88532EFBE5E355F008B92A24D44A
;  44.51.198.in-addr.arpa. @dns2.p01.nsone.net (198.51.45.1) 6.2 ms [NOERROR qr aa]: answer
69.44.51.198.in-addr.arpa.	3600	IN	PTR	dns3.p05.nsone.net.

;; NAMESERVERS (SOA asked of each address)
;  dns1.p01.nsone.net [parent+zone]
;    198.51.44.1                             ok                        1624991843  15 ms
;    2620:4d:4000:6259:7:1:0:1               ok                        1624991843  16 ms
;  dns2.p01.nsone.net [parent+zone]
;    198.51.45.1                             ok                        1624991843  6.5 ms
;    2a00:edc0:6259:7:1::2                   ok                        1624991843  15 ms
;  dns3.p01.nsone.net [parent+zone]
;    198.51.44.65                            ok                        1624991843  14 ms
;    2620:4d:4000:6259:7:1:0:3               ok                        1624991843  16 ms
;  dns4.p01.nsone.net [parent+zone]
;    198.51.45.65                            ok                        1624991843  6.4 ms
;    2a00:edc0:6259:7:1::4                   ok                        1624991843  15 ms

;; DNSSEC: signed (Cloudflare: secure, Google: secure)
44.51.198.in-addr.arpa.	86400	IN	DS	48553 13 2 7F391737DC99F1208362D84B49B70EE7DE0D88532EFBE5E355F008B92A24D44A	; matches DNSKEY
44.51.198.in-addr.arpa.	60	IN	DNSKEY	257 3 13 t+4DPP+MFZ0Cr7gAXiDYv6HTyXzq/O2ESVRLc/ysuh5xBXKIsjsj5baV1HzhBNo2F7mbsevsEo0/6UEL8+JBmA==	; tag 48553
44.51.198.in-addr.arpa.	60	IN	DNSKEY	256 3 13 3u9onSaqbxIlglXMHjh5Plcah8n2pXj0QuBVY/6YTdC6L/eUEYPDh57nOVJ8dd3fkPMrjt2Oij6J9EeLqyeuBw==	; tag 12196

;; HOSTS
;  dns1.p01.nsone.net (nameserver)
;    198.51.44.1                             PTR dns1.p01.nsone.net (confirmed)
;    2620:4d:4000:6259:7:1:0:1               PTR dns1.p01.nsone.net (confirmed)
;  dns2.p01.nsone.net (nameserver)
;    198.51.45.1                             PTR dns2.p01.nsone.net (confirmed)
;    2a00:edc0:6259:7:1::2                   PTR dns2.p01.nsone.net (confirmed)
;  dns3.p01.nsone.net (nameserver)
;    198.51.44.65                            PTR dns3.p01.nsone.net (confirmed)
;    2620:4d:4000:6259:7:1:0:3               PTR dns3.p01.nsone.net (confirmed)
;  dns4.p01.nsone.net (nameserver)
;    198.51.45.65                            PTR dns4.p01.nsone.net (confirmed)
;    2a00:edc0:6259:7:1::4                   PTR dns4.p01.nsone.net (confirmed)
;  dns3.p05.nsone.net (PTR target)
;    198.51.44.69                            PTR dns3.p05.nsone.net (confirmed)
;    2620:4d:4000:6259:7:5:0:3               PTR dns3.p05.nsone.net (confirmed)

;; PUBLIC RESOLVERS
;  Cloudflare PTR   dns3.p05.nsone.net.  ttl 3600  ad
;  Google     PTR   dns3.p05.nsone.net.  ttl 1114  ad
;  Quad9      PTR   dns3.p05.nsone.net.  ttl 3600  ad
;  OpenDNS    PTR   dns3.p05.nsone.net.  ttl 60  ad