51013.cn - robtex.com

51013.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:115a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:af67🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.17.90Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.103🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSleif.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cde🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
A2803:f800:50::6ca2:c3de🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleif.ns.cloudflare.com
A2a06:98c1:50::ac40:23de🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleif.ns.cloudflare.com
A108.162.195.222🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
A162.159.44.222Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
A172.64.35.222🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
NSliz.ns.cloudflare.com
A2606:4700:50::adf5:3abd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A2803:f800:50::6ca2:c0bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRliz.ns.cloudflare.com
A2a06:98c1:50::ac40:20bd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRliz.ns.cloudflare.com
A108.162.192.189🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A172.64.32.189🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
A173.245.58.189🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliz.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.17.90, 172.67.175.103
IPv6 hints2606:4700:3033::6815:115a, 2606:4700:3036::ac43:af67
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOAleif.ns.cloudflare.comdns@cloudflare.com serial=2400332167

cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034660329

Same first word

51013.cn

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DNS History

20 records (6 active, 14 former)

20162017201820192020202120222023202420252026NSleif.ns.cloudflare.comliz.ns.cloudflare.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comjm1.dns.comjm2.dns.comA104.21.17.90172.67.175.1032606:4700:3033::6815:115a2606:4700:3036::ac43:af67107.167.19.72107.167.19.73160.122.38.24198.148.92.87198.148.92.88CNAMEcs.ename.net
○NSdns1.iidns.com2015-08-02 → 2017-02-15 · 4 obs
● 2015-08-02 19:11:10
● 2017-02-15 18:39:22
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○NSdns2.iidns.com2015-08-02 → 2017-02-15 · 4 obs
● 2015-08-02 19:11:10
● 2017-02-15 18:39:22
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○NSdns3.iidns.com2015-08-02 → 2017-02-15 · 4 obs
● 2015-08-02 19:11:10
● 2017-02-15 18:39:22
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○NSdns4.iidns.com2015-08-02 → 2017-02-15 · 4 obs
● 2015-08-02 19:11:10
● 2017-02-15 18:39:22
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○NSdns5.iidns.com2015-08-02 → 2017-02-15 · 4 obs
● 2015-08-02 19:11:10
● 2017-02-15 18:39:22
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○NSdns6.iidns.com2015-08-02 → 2017-02-15 · 4 obs
● 2015-08-02 19:11:10
● 2017-02-15 18:39:22
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○NSjm1.dns.com2020-01-11 → 2020-01-11 · 4 obs
○ 2017-02-15 18:39:22
● 2020-01-11 08:37:06
○ 2026-04-10 20:29:58
○ 2026-04-11 22:58:42
○NSjm2.dns.com2020-01-11 → 2020-01-11 · 4 obs
○ 2017-02-15 18:39:22
● 2020-01-11 08:37:06
○ 2026-04-10 20:29:58
○ 2026-04-11 22:58:42
●NSleif.ns.cloudflare.com2026-04-10 → 2026-04-11 · 3 obs
○ 2020-01-11 08:37:06
● 2026-04-10 20:29:58
● 2026-04-11 22:58:42
●NSliz.ns.cloudflare.com2026-04-10 → 2026-04-11 · 3 obs
○ 2020-01-11 08:37:06
● 2026-04-10 20:29:58
● 2026-04-11 22:58:42
●A104.21.17.902026-04-10 → 2026-04-11 · 3 obs
○ 2020-01-11 08:37:06
● 2026-04-10 20:29:58
● 2026-04-11 22:58:42
○A107.167.19.722016-03-02 → 2016-03-02 · 4 obs
○ 2015-08-02 19:11:10
● 2016-03-02 02:55:34
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○A107.167.19.732016-03-02 → 2016-03-02 · 4 obs
○ 2015-08-02 19:11:10
● 2016-03-02 02:55:34
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42
○A160.122.38.242020-01-11 → 2020-01-11 · 4 obs
○ 2016-03-02 02:55:34
● 2020-01-11 08:37:06
○ 2026-04-10 20:29:58
○ 2026-04-11 22:58:42
●A172.67.175.1032026-04-10 → 2026-04-11 · 3 obs
○ 2020-01-11 08:37:06
● 2026-04-10 20:29:58
● 2026-04-11 22:58:42
○A198.148.92.872015-08-02 → 2015-08-02 · 3 obs
● 2015-08-02 19:11:10
○ 2026-04-10 20:29:58
○ 2026-04-11 22:58:42
○A198.148.92.882015-08-02 → 2015-08-02 · 3 obs
● 2015-08-02 19:11:10
○ 2026-04-10 20:29:58
○ 2026-04-11 22:58:42
●A2606:4700:3033::6815:115a2026-04-10 → 2026-04-11 · 3 obs
○ 2020-01-11 08:37:06
● 2026-04-10 20:29:58
● 2026-04-11 22:58:42
●A2606:4700:3036::ac43:af672026-04-10 → 2026-04-11 · 3 obs
○ 2020-01-11 08:37:06
● 2026-04-10 20:29:58
● 2026-04-11 22:58:42
○CNAMEcs.ename.net2015-08-02 → 2017-02-15 · 6 obs
● 2015-08-02 19:11:10
● 2016-03-02 02:55:34
○ 2016-05-17 07:32:12
● 2017-02-15 18:39:22
○ 2020-01-11 08:37:06
○ 2026-04-11 22:58:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
51013.cnliz.ns.cloudflare.com, leif.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.189

NS records: liz.ns.cloudflare.com, leif.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51013.cn (unsigned zone)

⏱️ Timing

Total: 1004ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.17.90, 172.67.175.103
AAAA22606:4700:3033::6815:115a, 2606:4700:3036::ac43:af67
NS2leif.ns.cloudflare.com, liz.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1leif.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

51013.cn points to four IP numbers: 2606:4700:3033::6815:115a, 2606:4700:3036::ac43:af67, 104.21.17.90 and 172.67.175.103.

Other host names, for instance www.healthq100.com.hk, go-pec.com, ns1.alfadeal.in, lifebydanielle.com and axis247platform.forum share IP numbers with 51013.cn.

Name Servers

51013.cn's delegation is to two name servers leif.ns.cloudflare.com and liz.ns.cloudflare.com.

51013.cn shares the same name server configuration as other domains, such as 75k1.com, hikd.cn, ccjinhai.cn, fqag.cn and lujihua2008.cn.

51013.cn at least partially shares its name servers with other domains, for instance zgszbl.com, lidefen.cn, harrensusa.com, ddvx.cn and svil4ok.com.

these name servers are commonly used together with kim.ns.cloudflare.com, evelyn.ns.cloudflare.com, emma.ns.cloudflare.com and titan.ns.cloudflare.com.

Host names with six IP numbers:

leif.ns.cloudflare.com points to: 2606:4700:58::a29f:2cde, 2803:f800:50::6ca2:c3de, 2a06:98c1:50::ac40:23de, 108.162.195.222, 162.159.44.222 and 172.64.35.222.

liz.ns.cloudflare.com points to: 2606:4700:50::adf5:3abd, 2803:f800:50::6ca2:c0bd, 2a06:98c1:50::ac40:20bd, 108.162.192.189, 172.64.32.189 and 173.245.58.189.