cojan.cn - robtex.com

cojan.cn

DNSSEC⚠️ Not signed
A211.149.243.48🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns1.myhostadmin.net ⭐
A240e:d9:c200::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A60.247.150.254🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network
A118.123.249.114🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
A118.123.253.132🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
NSns2.myhostadmin.net
A240e:d9:c200:1::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A61.172.183.73🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A61.240.129.143🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)
A211.149.230.100🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns3.myhostadmin.net ⚠️ Not in parent delegation
A240e:d9:c200::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A61.172.183.77🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A118.123.249.114🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
NSns4.myhostadmin.net ⚠️ Not in parent delegation
A240e:d9:c200:1::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A118.123.253.132🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
A211.149.230.100🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns5.myhostadmin.net ⚠️ Not in parent delegation
A240e:d9:c200::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A61.172.183.73🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A118.123.249.114🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
NSns6.myhostadmin.net ⚠️ Not in parent delegation
A240e:d9:c200:1::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A60.247.150.13🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network
A118.123.253.132🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
MXmx1.yunyou.top ⭐
A2404:ccc0:263:103:5054:ff:fe4a:5abe🇭🇰 WEST263GO-HK2404:ccc0:263::/48 West263 International Limited 12/F, San Toi Building, 137-139 Connaught Road Central, Hong Kong,
A78.46.129.162🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRstatic.162.129.46.78.clients.your-server.de
MXmx2.yunyou.top(10)
A211.149.239.73🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
PTRmx2.yunyou.top
A211.149.240.37🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
TXTv=spf1 include:yunyou.top -all
SOAns1.myhostadmin.netdnsconct@myhostadmin.net 2009-04-22 #25

cn

DNSSEC🔒 Signed (DS record present)
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=2035154270

Subdomains

mail.cojan.cn

Same first word

cojan.cn
cojan.eu
cojan.ro
cojan.com
cojan.nl

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DNS History

11 records (9 active, 2 former)

20162017201820192020202120222023202420252026NSns1.myhostadmin.netns2.myhostadmin.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netMXmx1.yunyou.topmx2.yunyou.topmail.cojan.cnA211.149.243.4861.139.126.254
●NSns1.myhostadmin.net2015-05-30 → 2026-08-08 · 2 obs
● 2015-05-30 23:40:12
● 2026-08-08 02:25:24
●NSns2.myhostadmin.net2015-05-30 → 2026-08-08 · 2 obs
● 2015-05-30 23:40:12
● 2026-08-08 02:25:24
●NSns3.myhostadmin.net2015-05-30 → 2026-08-08 · 2 obs
● 2015-05-30 23:40:12
● 2026-08-08 02:25:24
●NSns4.myhostadmin.net2015-05-30 → 2026-08-08 · 2 obs
● 2015-05-30 23:40:12
● 2026-08-08 02:25:24
●NSns5.myhostadmin.net2015-05-30 → 2026-08-08 · 2 obs
● 2015-05-30 23:40:12
● 2026-08-08 02:25:24
●NSns6.myhostadmin.net2015-05-30 → 2026-08-08 · 2 obs
● 2015-05-30 23:40:12
● 2026-08-08 02:25:24
○MXmail.cojan.cn2015-05-30 → 2017-02-17 · 4 obs
● 2015-05-30 23:40:12
● 2017-02-17 20:06:14
○ 2020-01-10 03:54:06
○ 2026-08-08 02:25:24
●MXmx1.yunyou.top2020-01-10 → 2026-08-08 · 3 obs
○ 2017-02-17 20:06:14
● 2020-01-10 03:54:06
● 2026-08-08 02:25:24
●MXmx2.yunyou.top2020-01-10 → 2026-08-08 · 3 obs
○ 2017-02-17 20:06:14
● 2020-01-10 03:54:06
● 2026-08-08 02:25:24
●A211.149.243.482026-07-01 → 2026-08-08 · 3 obs
○ 2020-01-26 08:52:48
● 2026-07-01 00:34:54
● 2026-08-08 02:25:24
○A61.139.126.2542015-05-30 → 2020-01-26 · 4 obs
● 2015-05-30 23:40:12
● 2020-01-26 08:52:48
○ 2026-07-01 00:34:54
○ 2026-08-08 02:25:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn...-
cojan.cnns1.myhostadmin.net, ns2.myhostadmin.net-

✅ Authoritative Response

Server:61.172.183.73

NS records: ns1.myhostadmin.net, ns2.myhostadmin.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cojan.cn (unsigned zone)

⏱️ Timing

Total: 3330ms | Queries: -

📄 Records

TypeCountSample Data
A1211.149.243.48
NS6ns2.myhostadmin.net, ns3.myhostadmin.net...
MX2mx2.yunyou.top (pri: 10), mx1.yunyou.top (pri: 5)
TXT1v=spf1 include:yunyou.top -all
SOA1ns1.myhostadmin.net dnsconct.myhostadmin

Analysis

Hierarchy

mail.cojan.cn is a subdomain of cojan.cn.

IP Addresses

cojan.cn resolves to just one IP address, 211.149.243.48.

Two other host names, along with weiminxingbang.com, cnhyjn.com and web.w254.vhostgo.com, also share IP numbers with cojan.cn.

Name Servers

cojan.cn carries NS records listing 6 name servers — ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net and 3 others.

The name servers of cojan.cn overlap at least partially with those of other domains — among them birchwood.me, ctgl1.top, gsanquangu.cn and two more.

These name servers commonly appear in delegations together with ns4.myhostadmin.net, ns5.myhostadmin.net, ns6.myhostadmin.net and 7 other.

Host names that resolve to four IP numbers:

ns1.myhostadmin.net resolves to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.

ns2.myhostadmin.net resolves to 61.172.183.73, 61.240.129.143, 211.149.230.100 and 240e:d9:c200:1::2.

Hostnames that map to three IP numbers:

ns3.myhostadmin.net maps to three IP addresses: 61.172.183.77, 118.123.249.114 and 240e:d9:c200::2.

ns4.myhostadmin.net maps to three IP addresses: 118.123.253.132, 211.149.230.100 and 240e:d9:c200:1::2.

ns5.myhostadmin.net maps to three IP addresses: 61.172.183.73, 118.123.249.114 and 240e:d9:c200::2.

ns6.myhostadmin.net maps to three IP addresses: 60.247.150.13, 118.123.253.132 and 240e:d9:c200:1::2.

Each of ns1.myhostadmin.net, ns3.myhostadmin.net and ns5.myhostadmin.net resolves to 240e:d9:c200::2.

Each of ns1.myhostadmin.net, ns3.myhostadmin.net and ns5.myhostadmin.net resolves to 118.123.249.114.

Each of ns1.myhostadmin.net, ns4.myhostadmin.net and ns6.myhostadmin.net resolves to 118.123.253.132.

Each of ns2.myhostadmin.net, ns4.myhostadmin.net and ns6.myhostadmin.net resolves to 240e:d9:c200:1::2.

ns2.myhostadmin.net and ns5.myhostadmin.net each have 61.172.183.73 IP addresses.

ns2.myhostadmin.net and ns4.myhostadmin.net each have 211.149.230.100 IP addresses.

Mail Servers

cojan.cn is served by two mail servers, mx1.yunyou.top and mx2.yunyou.top.

Among the domains sharing a mail server setup with cojan.cn are china-anya.com, szbaofan.com, winascent.com and two others.

cojan.cn partially shares its mail servers with other domains; known examples include tanocable.com, chinapengye.com and cnhnby.com.

mx1.yunyou.top resolves to 78.46.129.162 and 2404:ccc0:263:103:5054:ff:fe4a:5abe. Likewise, mx2.yunyou.top resolves to 211.149.239.73 and 211.149.240.37 — two IP addresses apiece.