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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.

118.190.149.197

197.149.190.118.in-addr.arpa

Zone 190.118.in-addr.arpa73 queries in 2.0 s2026-11-09 05:55:07 UTCNot DNSSEC-signed

WHOIS for 118.190.149.197 →TextJSON
  • Note All of 190.118.in-addr.arpa's nameservers are in one /24 network (140.205.122.0/24): one outage takes them all down.
  • Note 190.118.in-addr.arpa isn't signed with DNSSEC, so resolvers can't tell forged answers from real ones.

Records

Asked directly of rdns1.alidns.com (140.205.122.253), an authoritative server: no cache in between, so these are the live values.

PTR Reverse pointer

3600PTRdns4.c01.nsone.net.cn.
ANY query: refused politely (RFC 8482)
3600HINFO"RFC8482" ""

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 d.root-servers.net 199.7.91.135.7 ms

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

    • 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
    • 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

    193.0.14.129 failed: NOERROR

  2. in-addr.arpa.asked b.in-addr-servers.arpa 199.253.183.1836.0 ms

    Referral to 118.in-addr.arpa. signed (1 DS)

    • ns1.apnic.net 203.119.42.53 2001:dd8:e::53
    • ns2.apnic.net 203.119.95.53 2001:ddd::53
    • ns3.lacnic.net 200.3.13.14 2001:13c7:7002:3000::14
    • apnic.authdns.ripe.net 193.0.9.9 2a13:27c0:30::9
    • rirns.arin.net 199.253.249.53 2620:38:2000::53

    No glue for ns1.apnic.net, ns2.apnic.net, ns3.lacnic.net, apnic.authdns.ripe.net, rirns.arin.net: addresses looked up via a resolver.

  3. 118.in-addr.arpa.asked ns1.apnic.net 203.119.42.53167 ms

    Referral to 190.118.in-addr.arpa. unsigned delegation

    • rdns2.alidns.com 140.205.122.243 2401:b180:4100::15
    • rdns1.alidns.com 140.205.122.253 2401:b180:4100::14

    No glue for rdns2.alidns.com, rdns1.alidns.com: addresses looked up via a resolver.

  4. 190.118.in-addr.arpa.asked rdns2.alidns.com 140.205.122.2435.9 ms

    Answer (authoritative):

    197.149.190.118.in-addr.arpa.3600PTRdns4.c01.nsone.net.cn.

    140.205.122.253 failed: NOERROR

Nameservers

Every address of every nameserver, asked for 190.118.in-addr.arpa's SOA. "Parent" means the 118.in-addr.arpa zone delegates to it; "zone" means 190.118.in-addr.arpa lists it itself.

NameserverListed inAddressStatusSerialTime
rdns1.alidns.comparent + zone140.205.122.253 glueauthoritative20150114126.0 ms
2401:b180:4100::14 glueauthoritative2015011412206 ms
rdns2.alidns.comparent + zone140.205.122.243 glueauthoritative20150114126.1 ms
2401:b180:4100::15 glueauthoritative2015011412197 ms

DNSSEC

190.118.in-addr.arpa isn't signed: no DS at the parent and no DNSKEY in the zone.

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)
rdns1.alidns.com
nameserver
140.205.122.253none
2401:b180:4100::14none
rdns2.alidns.com
nameserver
140.205.122.243none
2401:b180:4100::15none
dns4.c01.nsone.net.cn
PTR target
118.190.149.197dns4.c01.nsone.net.cn ✓

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 1.1.1.1dns4.c01.nsone.net.cn.
TTL 3600
Google 8.8.8.8dns4.c01.nsone.net.cn.
TTL 3600
Quad9 9.9.9.9dns4.c01.nsone.net.cn.
TTL 3600
OpenDNS 208.67.222.222dns4.c01.nsone.net.cn.
TTL 3600

Text dump

; DNS report for 197.149.190.118.in-addr.arpa (118.190.149.197)
; 2026-11-09 05:55:07 UTC, 73 queries in 1.97 s, zone 190.118.in-addr.arpa

;; FINDINGS
;  [INFO] All of 190.118.in-addr.arpa's nameservers are in one /24 network (140.205.122.0/24): one outage takes them all down.
;  [INFO] 190.118.in-addr.arpa isn't signed with DNSSEC, so resolvers can't tell forged answers from real ones.

;; RECORDS (authoritative, from rdns1.alidns.com (140.205.122.253))
197.149.190.118.in-addr.arpa.	3600	IN	PTR	dns4.c01.nsone.net.cn.

;; TRACE
;  197.149.190.118.in-addr.arpa PTR
;  . @d.root-servers.net (199.7.91.13) 5.7 ms [NOERROR qr]: referral to in-addr.arpa.
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.		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.	86400	IN	DS	47054 8 2 5CAFCCEC201D1933B4C9F6A9C8F51E51F3B39979058AC21B8DF1B1F281CBC6F2
in-addr.arpa.	86400	IN	DS	53696 8 2 13E5501C56B20394DA921B51412D48B7089C5EB6957A7C58553C4D4D424F04DF
in-addr.arpa.	86400	IN	DS	54956 8 2 E0E2BF5CFBD66572CA05EC18267D91509BA6A9405AF05C3FD4141DFA45200C08
in-addr.arpa.	86400	IN	DS	63982 8 2 AAF4FB5D213EF25AE44679032EBE3514C487D7ABD99D7F5FEC3383D030733C73
;  in-addr.arpa. @b.in-addr-servers.arpa (199.253.183.183) 6.0 ms [NOERROR qr]: referral to 118.in-addr.arpa.
118.in-addr.arpa.		NS	ns1.apnic.net.	; 203.119.42.53 2001:dd8:e::53
118.in-addr.arpa.		NS	ns2.apnic.net.	; 203.119.95.53 2001:ddd::53
118.in-addr.arpa.		NS	ns3.lacnic.net.	; 200.3.13.14 2001:13c7:7002:3000::14
118.in-addr.arpa.		NS	apnic.authdns.ripe.net.	; 193.0.9.9 2a13:27c0:30::9
118.in-addr.arpa.		NS	rirns.arin.net.	; 199.253.249.53 2620:38:2000::53
118.in-addr.arpa.	86400	IN	DS	60295 13 2 74C995CA21828F090F597D842161A27AF961801DFEDD365BCDB1045A6F828930
;  118.in-addr.arpa. @ns1.apnic.net (203.119.42.53) 167 ms [NOERROR qr]: referral to 190.118.in-addr.arpa.
190.118.in-addr.arpa.		NS	rdns2.alidns.com.	; 140.205.122.243 2401:b180:4100::15
190.118.in-addr.arpa.		NS	rdns1.alidns.com.	; 140.205.122.253 2401:b180:4100::14
;  190.118.in-addr.arpa. @rdns2.alidns.com (140.205.122.243) 5.9 ms [NOERROR qr aa]: answer
197.149.190.118.in-addr.arpa.	3600	IN	PTR	dns4.c01.nsone.net.cn.

;; NAMESERVERS (SOA asked of each address)
;  rdns1.alidns.com [parent+zone]
;    140.205.122.253                         ok                        2015011412  6.0 ms
;    2401:b180:4100::14                      ok                        2015011412  206 ms
;  rdns2.alidns.com [parent+zone]
;    140.205.122.243                         ok                        2015011412  6.1 ms
;    2401:b180:4100::15                      ok                        2015011412  197 ms

;; DNSSEC: unsigned

;; HOSTS
;  rdns1.alidns.com (nameserver)
;    140.205.122.253                         PTR none
;    2401:b180:4100::14                      PTR none
;  rdns2.alidns.com (nameserver)
;    140.205.122.243                         PTR none
;    2401:b180:4100::15                      PTR none
;  dns4.c01.nsone.net.cn (PTR target)
;    118.190.149.197                         PTR dns4.c01.nsone.net.cn (confirmed)

;; PUBLIC RESOLVERS
;  Cloudflare PTR   dns4.c01.nsone.net.cn.  ttl 3600
;  Google     PTR   dns4.c01.nsone.net.cn.  ttl 3600
;  Quad9      PTR   dns4.c01.nsone.net.cn.  ttl 3600
;  OpenDNS    PTR   dns4.c01.nsone.net.cn.  ttl 3600