`637.cn`

DNSSEC	⚠️ Not signed
A	47.52.103.38^{🇭🇰 Alibaba-Cloud47.52.0.0/17 Proxy-registered route object}
NS	`ns1.dns.com` ⭐
		A	2001:df2:f080:2::1:1^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.128^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	177.2.31.128^{🇧🇷 AS-V177.2.0.0/18}
NS	`ns2.dns.com`
		A	2001:df2:f080:2::1:2^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.23.191.129^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	177.2.31.129^{🇧🇷 AS-V177.2.0.0/18}
SOA	`ns1.dns.com`admin@dns.com serial=1754790458

`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=2035035919

Same first word

637.nl

637.mobi

637.fr

637.us

637.org

637.company

637.cc

637.in

637.eu

637.com

637.cn

637.ca

637.bet

637.me

637.games

637.net

637.net.cn

637.co.uk

Similar names

673.ru

376.eu

763.bet

367.ltd

763.com

763.eu

367.org

376.ca

673.com

736.net.cn

367.tw

736.casino

376.com.tw

367.de

367.nl

367.ai

736.it

367.cc

763.de

736.fr

376.ai

673.jp

367.agency

763.ca

376.us

736.ph

763.ph

367.mobi

367.in

763.net

736.ee

736.eu

376.pw

367.casino

763.ee

376.de

736.co.uk

673.co

376.org

376.biz

367.cn

376.me

763.org

763.co.uk

376.bet

367.com

367.ee

673.ltd

376.nl

376.co.uk

736.ca

673.us

763.im

673.org

376.net

673.net.cn

736.fyi

736.org

367.co.kr

673.hu

367.kr

763.co

763.uk

367.us

736.tv

736.com

763.in

376.tw

376.company

367.eu

376.ir

763.cn

376.cc

367.co

763.date

673.ca

673.me

736.ir

376.ru

367.net

673.co.uk

736.cn

367.bet

673.de

673.mom

376.com

736.net

367.me

DNS History

22 records (3 active, 19 former)

○NSdns1.iidns.com2015-06-08 → 2017-05-19 · 4 obs

● 2015-06-08 07:43:00
● 2017-05-19 20:21:26
○ 2026-07-05 19:28:14
○ 2026-07-13 12:17:00

○NSdns2.iidns.com2015-06-08 → 2016-09-23 · 4 obs

● 2015-06-08 07:43:00
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○NSdns3.iidns.com2015-06-08 → 2016-09-23 · 4 obs

● 2015-06-08 07:43:00
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○NSdns4.iidns.com2015-06-08 → 2016-09-23 · 4 obs

● 2015-06-08 07:43:00
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○NSdns5.iidns.com2015-06-08 → 2016-09-23 · 4 obs

● 2015-06-08 07:43:00
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○NSdns6.iidns.com2015-06-08 → 2016-09-23 · 4 obs

● 2015-06-08 07:43:00
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

●NSns1.dns.com2026-07-05 → 2026-07-13 · 3 obs

○ 2017-05-19 20:21:26
● 2026-07-05 19:28:14
● 2026-07-13 12:17:00

●NSns2.dns.com2026-07-05 → 2026-07-13 · 3 obs

○ 2017-05-19 20:21:26
● 2026-07-05 19:28:14
● 2026-07-13 12:17:00

○A103.241.230.1342017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-23 02:00:58
● 2017-05-19 20:21:26
○ 2026-07-05 19:28:14
○ 2026-07-13 12:17:00

○A103.241.230.1352017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-23 02:00:58
● 2017-05-19 20:21:26
○ 2026-07-05 19:28:14
○ 2026-07-13 12:17:00

○A103.241.230.1362017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-23 02:00:58
● 2017-05-19 20:21:26
○ 2026-07-05 19:28:14
○ 2026-07-13 12:17:00

○A103.241.230.1372017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-23 02:00:58
● 2017-05-19 20:21:26
○ 2026-07-05 19:28:14
○ 2026-07-13 12:17:00

○A107.167.19.722016-01-16 → 2016-01-16 · 4 obs

○ 2015-06-08 07:43:00
● 2016-01-16 19:14:50
○ 2016-09-23 02:00:58
○ 2026-07-13 12:17:00

○A107.167.19.732016-01-16 → 2016-01-16 · 4 obs

○ 2015-06-08 07:43:00
● 2016-01-16 19:14:50
○ 2016-09-23 02:00:58
○ 2026-07-13 12:17:00

○A107.167.19.752016-09-23 → 2016-09-23 · 4 obs

○ 2016-01-16 19:14:50
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○A107.167.19.762016-09-23 → 2016-09-23 · 4 obs

○ 2016-01-16 19:14:50
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○A107.167.19.772016-09-23 → 2016-09-23 · 4 obs

○ 2016-01-16 19:14:50
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○A107.167.19.782016-09-23 → 2016-09-23 · 4 obs

○ 2016-01-16 19:14:50
● 2016-09-23 02:00:58
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○A198.148.92.872015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 07:43:00
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

○A198.148.92.882015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 07:43:00
○ 2017-05-19 20:21:26
○ 2026-07-13 12:17:00

●A47.52.103.382026-07-05 → 2026-07-13 · 5 obs

○ 2017-05-19 20:21:26
● 2026-07-05 19:28:14
○ 2026-07-10 16:48:30
● 2026-07-13 12:16:58
● 2026-07-13 12:17:00

○CNAMEcs.ename.net2015-06-08 → 2017-05-19 · 4 obs

● 2015-06-08 07:43:00
● 2017-05-19 20:21:26
○ 2026-07-05 19:28:14
○ 2026-07-13 12:17:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
637.cn	ns1.dns.com, ns2.dns.com	-

✅ Authoritative Response

Server:154.86.21.128

NS records: ns1.dns.com, ns2.dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 637.cn (unsigned zone)

⏱️ Timing

Total: 3948ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.52.103.38`
NS	2	`ns1.dns.com, ns2.dns.com`
SOA	1	`ns1.dns.com admin.dns.com`

Analysis

IP Addresses

637.cn points to a single IP number: 47.52.103.38.

There are other host names — nrp.cn among them — that share IP numbers with 637.cn.

Name Servers

DNS delegation for 637.cn points to two name servers: ns1.dns.com and ns2.dns.com.

637.cn shares its name server setup with other domains, including jsboo.com, boma365.info, 456389.com and two others.

ns1.dns.com has three IP addresses (154.86.21.128, 177.2.31.128 and 2001:df2:f080:2::1:1) and ns2.dns.com has three IP addresses (154.23.191.129, 177.2.31.129 and 2001:df2:f080:2::1:2).

637.cn - robtex.com

637.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`637.cn`

`cn`