`13731.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5e50^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:dd44^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.80^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.68^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`damian.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c32^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c332^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`damian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2332^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`damian.ns.cloudflare.com`
		A	108.162.195.50^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damian.ns.cloudflare.com`
		A	162.159.44.50^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damian.ns.cloudflare.com`
		A	172.64.35.50^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damian.ns.cloudflare.com`
NS	`norah.ns.cloudflare.com`
		A	2606:4700:50::a29f:2646^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c246^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2246^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norah.ns.cloudflare.com`
		A	108.162.194.70^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
		A	162.159.38.70^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
		A	172.64.34.70^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.80, 172.67.221.68
		IPv6 hints	2606:4700:3033::6815:5e50, 2606:4700:3036::ac43:dd44
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com
SOA	`damian.ns.cloudflare.com`dns@cloudflare.com serial=2409708902

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035086337

Same first word

13731.com

13731.cn

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33117.cc

73113.de

13317.cn

13371.us

31173.cn

11373.cn

31173.de

17133.us

71331.cn

71313.com

31317.us

13713.de

11373.com

17331.com

31173.eu

13137.com

73113.cc

71331.com

33171.cn

71133.com

13713.cn

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31173.com

71133.cc

33171.us

31173.us

31173.se

37131.us

11373.de

17133.com

13317.com

37131.com

13371.com

17331.net

13173.com

17313.cn

13173.cn

17313.com

11337.cn

73311.us

31173.org

71331.cc

11373.us

17331.us

37311.com

31173.net

31731.cn

DNS History

22 records (6 active, 16 former)

●NSdamian.ns.cloudflare.com2026-07-21 → 2026-07-25 · 3 obs

○ 2019-02-10 15:57:36
● 2026-07-21 19:34:56
● 2026-07-25 04:42:52

○NSdns1.iidns.com2015-08-07 → 2016-09-10 · 4 obs

● 2015-08-07 01:41:04
● 2016-09-10 09:47:34
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○NSdns2.iidns.com2015-08-07 → 2016-09-10 · 4 obs

● 2015-08-07 01:41:04
● 2016-09-10 09:47:34
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○NSdns3.iidns.com2015-08-07 → 2016-09-10 · 4 obs

● 2015-08-07 01:41:04
● 2016-09-10 09:47:34
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○NSdns4.iidns.com2015-08-07 → 2016-09-10 · 4 obs

● 2015-08-07 01:41:04
● 2016-09-10 09:47:34
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○NSdns5.iidns.com2015-08-07 → 2016-09-10 · 4 obs

● 2015-08-07 01:41:04
● 2016-09-10 09:47:34
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○NSdns6.iidns.com2015-08-07 → 2016-09-10 · 4 obs

● 2015-08-07 01:41:04
● 2016-09-10 09:47:34
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

●NSnorah.ns.cloudflare.com2026-07-21 → 2026-07-25 · 3 obs

○ 2019-02-10 15:57:36
● 2026-07-21 19:34:56
● 2026-07-25 04:42:52

●A104.21.94.802026-07-21 → 2026-07-25 · 3 obs

○ 2019-02-10 15:57:36
● 2026-07-21 19:34:56
● 2026-07-25 04:42:52

●A172.67.221.682026-07-21 → 2026-07-25 · 3 obs

○ 2019-02-10 15:57:36
● 2026-07-21 19:34:56
● 2026-07-25 04:42:52

○A198.148.92.1572015-12-14 → 2015-12-14 · 4 obs

○ 2015-08-07 01:41:04
● 2015-12-14 15:48:36
○ 2016-03-20 08:59:50
○ 2026-07-25 04:42:52

○A198.148.92.1582015-12-14 → 2015-12-14 · 4 obs

○ 2015-08-07 01:41:04
● 2015-12-14 15:48:36
○ 2016-03-20 08:59:50
○ 2026-07-25 04:42:52

○A198.148.92.532015-08-07 → 2015-08-07 · 3 obs

● 2015-08-07 01:41:04
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○A198.148.92.542015-12-14 → 2015-12-14 · 4 obs

○ 2015-08-07 01:41:04
● 2015-12-14 15:48:36
○ 2016-03-20 08:59:50
○ 2026-07-25 04:42:52

○A198.148.92.562015-08-07 → 2016-03-20 · 4 obs

● 2015-08-07 01:41:04
● 2016-03-20 08:59:50
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○A198.148.92.572016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-14 15:48:36
● 2016-03-20 08:59:50
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○A198.148.92.582015-08-07 → 2016-03-20 · 4 obs

● 2015-08-07 01:41:04
● 2016-03-20 08:59:50
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

○A198.148.92.622015-08-07 → 2015-08-07 · 3 obs

● 2015-08-07 01:41:04
○ 2019-02-10 15:57:36
○ 2026-07-25 04:42:52

●A2606:4700:3033::6815:5e502026-07-21 → 2026-07-25 · 3 obs

○ 2019-02-10 15:57:36
● 2026-07-21 19:34:56
● 2026-07-25 04:42:52

●A2606:4700:3036::ac43:dd442026-07-21 → 2026-07-25 · 3 obs

○ 2019-02-10 15:57:36
● 2026-07-21 19:34:56
● 2026-07-25 04:42:52

○CNAMEfw.ename.net2015-08-07 → 2016-03-20 · 4 obs

● 2015-08-07 01:41:04
● 2016-03-20 08:59:50
○ 2016-09-10 09:47:34
○ 2026-07-25 04:42:52

○CNAMEwww.baidu.com2019-02-10 → 2019-02-10 · 4 obs

○ 2016-09-10 09:47:34
● 2019-02-10 15:57:36
○ 2026-07-21 19:34:56
○ 2026-07-25 04:42:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, d.dns.cn, b.dns.cn, c.dns.cn...	-
13731.cn	norah.ns.cloudflare.com, damian.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.70

NS records: norah.ns.cloudflare.com, damian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 13731.cn (unsigned zone)

⏱️ Timing

Total: 1014ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.94.80, 172.67.221.68`
AAAA	2	`2606:4700:3036::ac43:dd44, 2606:4700:3033::6815:5e50`
NS	2	`damian.ns.cloudflare.com, norah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`damian.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

13731.cn directs to four IP numbers, which are 104.21.94.80, 172.67.221.68, 2606:4700:3033::6815:5e50 and 2606:4700:3036::ac43:dd44.

casino1040.ru, bridalog.com, norskcasinoguide.com plus two other host names have IP numbers in common with 13731.cn.

Name Servers

13731.cn uses two name servers for its delegation: damian.ns.cloudflare.com and norah.ns.cloudflare.com.

The name server configuration of 13731.cn is shared with other domains, for instance victele.com, ipbt.net, yondermotor.net and two others.

At least some of 13731.cn's name servers are shared with other domains, for example lesbutler.co.uk, 2deco.ru, 9kv.org and two more.

These name servers tend to be deployed in combination with the name servers austin.ns.cloudflare.com and lucy.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname damian.ns.cloudflare.com directs to 108.162.195.50, 162.159.44.50 and 172.64.35.50 along with 3 other IP addresses.

Hostname norah.ns.cloudflare.com directs to 108.162.194.70, 162.159.38.70 and 172.64.34.70 along with 3 other IP addresses.

13731.cn - robtex.com

13731.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`13731.cn`

`cn`