`yangtze.co`

DNSSEC	⚠️ Not signed
A	47.77.221.135^{🇺🇸 Alibaba-Cloud47.77.192.0/18 Proxy-registered route object}
NS	`ns7.alidns.com` ⭐
		A	2408:4009:501::3^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.47^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.57^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.207^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.217^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.47^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.57^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.117^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.127^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns8.alidns.com`
		A	2408:4009:501::4^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.48^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.58^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.208^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.218^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.48^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.58^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.101^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.118^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`ns7.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759722055

Same first word

yangtze.asia

yangtze.co.uk

yangtze.org.cn

yangtze.ru

yangtze.co

yangtze.fr

Similar names

genatzy.com

getzany.com

yzagent.com

yangzte.com

DNS History

24 records (6 active, 18 former)

○NSns1.bodis.com2016-03-09 → 2016-03-09 · 4 obs

○ 2015-11-24 06:24:36
● 2016-03-09 15:15:14
○ 2016-06-26 19:20:52
○ 2026-08-01 12:48:48

○NSns2.bodis.com2016-03-09 → 2016-03-09 · 4 obs

○ 2015-11-24 06:24:36
● 2016-03-09 15:15:14
○ 2016-06-26 19:20:52
○ 2026-08-01 12:48:48

○NSns41.domaincontrol.com2015-11-24 → 2015-11-24 · 4 obs

○ 2015-07-21 13:50:56
● 2015-11-24 06:24:36
○ 2016-03-09 15:15:14
○ 2026-08-01 12:48:48

○NSns42.domaincontrol.com2015-11-24 → 2015-11-24 · 4 obs

○ 2015-07-21 13:50:56
● 2015-11-24 06:24:36
○ 2016-03-09 15:15:14
○ 2026-08-01 12:48:48

●NSns7.alidns.com2026-06-10 → 2026-08-01 · 3 obs

○ 2016-06-26 19:20:52
● 2026-06-10 18:29:52
● 2026-08-01 12:48:48

○NSns71.domaincontrol.com2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 13:50:56
○ 2015-11-24 06:24:36
○ 2026-08-01 12:48:48

○NSns72.domaincontrol.com2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 13:50:56
○ 2015-11-24 06:24:36
○ 2026-08-01 12:48:48

●NSns8.alidns.com2026-06-10 → 2026-08-01 · 3 obs

○ 2016-06-26 19:20:52
● 2026-06-10 18:29:52
● 2026-08-01 12:48:48

○MXmailstore1.secureserver.net2015-07-21 → 2015-11-24 · 4 obs

● 2015-07-21 13:50:56
● 2015-11-24 06:24:36
○ 2016-03-09 15:15:14
○ 2026-08-01 12:48:48

●MXmx1.qiye.aliyun.com2026-06-10 → 2026-08-01 · 3 obs

○ 2016-03-09 15:15:14
● 2026-06-10 18:29:52
● 2026-08-01 12:48:48

●MXmx2.qiye.aliyun.com2026-06-10 → 2026-08-01 · 3 obs

○ 2016-03-09 15:15:14
● 2026-06-10 18:29:52
● 2026-08-01 12:48:48

●MXmx3.qiye.aliyun.com2026-06-10 → 2026-08-01 · 3 obs

○ 2016-03-09 15:15:14
● 2026-06-10 18:29:52
● 2026-08-01 12:48:48

○MXsmtp.secureserver.net2015-07-21 → 2015-11-24 · 4 obs

● 2015-07-21 13:50:56
● 2015-11-24 06:24:36
○ 2016-03-09 15:15:14
○ 2026-08-01 12:48:48

○A184.168.221.272015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 13:50:56
○ 2015-11-24 06:24:36
○ 2026-08-01 12:48:48

○A184.168.221.82015-11-24 → 2015-11-24 · 4 obs

○ 2015-07-21 13:50:56
● 2015-11-24 06:24:36
○ 2016-03-09 15:15:14
○ 2026-08-01 12:48:48

○A199.59.243.1202016-03-09 → 2016-03-09 · 4 obs

○ 2015-11-24 06:24:36
● 2016-03-09 15:15:14
○ 2016-06-26 19:20:52
○ 2026-08-01 12:48:48

●A47.77.221.1352026-06-10 → 2026-08-01 · 3 obs

○ 2019-04-13 08:56:06
● 2026-06-10 18:29:52
● 2026-08-01 12:48:48

○A52.0.16.122016-06-26 → 2016-06-26 · 4 obs

○ 2016-03-09 15:15:14
● 2016-06-26 19:20:52
○ 2017-02-13 17:44:52
○ 2026-08-01 12:48:48

○A54.164.97.2492017-02-13 → 2017-02-13 · 4 obs

○ 2016-06-26 19:20:52
● 2017-02-13 17:44:52
○ 2026-06-10 18:29:52
○ 2026-08-01 12:48:48

○A54.175.122.1942017-02-13 → 2017-02-13 · 4 obs

○ 2016-06-26 19:20:52
● 2017-02-13 17:44:52
○ 2019-04-13 08:56:06
○ 2026-08-01 12:48:48

○A54.175.87.1652016-06-26 → 2016-06-26 · 4 obs

○ 2016-03-09 15:15:14
● 2016-06-26 19:20:52
○ 2017-02-13 17:44:52
○ 2026-08-01 12:48:48

○CNAMEpr-co-suspensions.go.co2016-06-26 → 2016-06-26 · 3 obs

● 2016-06-26 19:20:52
○ 2017-02-13 17:44:52
○ 2026-08-01 12:48:48

○CNAMEreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com2016-06-26 → 2016-06-26 · 3 obs

● 2016-06-26 19:20:52
○ 2017-02-13 17:44:52
○ 2026-08-01 12:48:48

○CNAMEwebapp.parkingpage.production.flippa.com2017-02-13 → 2019-04-13 · 5 obs

○ 2016-06-26 19:20:52
● 2017-02-13 17:44:52
● 2019-04-13 08:56:06
○ 2026-06-10 18:29:52
○ 2026-08-01 12:48:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
yangtze.co	ns7.alidns.com, ns8.alidns.com	-

✅ Authoritative Response

Server:139.224.142.118

NS records: ns7.alidns.com, ns8.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yangtze.co (unsigned zone)

⏱️ Timing

Total: 3629ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.77.221.135`
NS	2	`ns7.alidns.com, ns8.alidns.com`
MX	3	`mx1.qiye.aliyun.com (pri: 5), mx2.qiye.aliyun.com (pri: 10)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`ns7.alidns.com hostmaster.hichina.com`

Analysis

IP Addresses

yangtze.co points to a single IP number: 47.77.221.135.

Name Servers

DNS delegation for yangtze.co points to two name servers: ns7.alidns.com and ns8.alidns.com.

yangtze.co shares its name server setup with other domains, including cpt4455.com, m6r4rlvs.top, nxy0waby.top and two others.

yangtze.co partially shares its NS delegation with several other domains, including cellnins.com, netzs.org, zd-pk.com and two others.

In DNS configurations, these name servers often share authority with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and 3 other name servers.

Host names with 9 IP numbers:

ns7.alidns.com has IP addresses 39.96.153.47, 39.96.153.57 and 47.118.199.207, plus 6 other.

ns8.alidns.com has IP addresses 39.96.153.48, 39.96.153.58 and 47.118.199.208, plus 6 other.

Mail Servers

yangtze.co uses three mail servers — mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

yangtze.co shares mail servers — at least in part — with other domains, including seedshub.cn, puersecret.com, kangdadianli.com and two others.

The mail servers mxn.mxhichina.com and mxw.mxhichina.com regularly co-occur with these mail servers.

Host names with two IP numbers:

mx3.qiye.aliyun.com has two IP addresses: 47.246.136.231 and 47.246.137.47.

Host names pointing to a single IP address:

mx1.qiye.aliyun.com directs to 47.246.137.47.

mx2.qiye.aliyun.com directs to 47.246.136.231.

Host names pointing to 47.246.136.231 IP addresses: mx3.qiye.aliyun.com and mx2.qiye.aliyun.com.

Host names pointing to 47.246.137.47 IP addresses: mx3.qiye.aliyun.com and mx1.qiye.aliyun.com.