self-study.cn - dns.ninja

self-study.cn

DNSSEC⚠️ Not signed
NSns1.myhostadmin.net ⭐ ⚠️ Not in parent delegation
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
NSns1.363.hk ⚠️ Not in zone NS records
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
NSns2.363.hk ⚠️ Not in zone NS records
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
A211.149.230.100🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns2.myhostadmin.net ⚠️ Not in parent delegation
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
NSns3.363.hk ⚠️ Not in zone NS records
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
NSns4.363.hk ⚠️ Not in zone NS records
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
NSns5.363.hk ⚠️ Not in zone NS records
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
NSns6.363.hk ⚠️ Not in zone NS records
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
SOAns1.myhostadmin.netdnsconct@myhostadmin.net 2025-11-07 #5

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=2034990357

Same first word

self-study.eu
self-study.cn
self-study.app
self-study.com
self-study.ru
self-study.org

Similar names

study-self.com

DNS History

22 records (8 active, 14 former)

20162017201820192020202120222023202420252026NSns1.363.hkns1.myhostadmin.netns2.363.hkns2.myhostadmin.netns3.363.hkns4.363.hkns5.363.hkns6.363.hkf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.dnsdun.comns1.dnsdun.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netA154.214.169.135172.247.115.42203.171.230.8CNAME121420.vhost18.boxcdn.cnpk.22.cns-138873.gotocdn.com
○NSf1g1ns1.dnspod.net2015-10-27 → 2017-04-09 · 5 obs
○ 2015-06-13 13:38:24
● 2015-10-27 15:41:26
● 2017-04-09 16:08:00
○ 2018-07-09 08:53:10
○ 2026-07-01 10:54:18
○NSf1g1ns2.dnspod.net2015-10-27 → 2017-04-09 · 5 obs
○ 2015-06-13 13:38:24
● 2015-10-27 15:41:26
● 2017-04-09 16:08:00
○ 2018-07-09 08:53:10
○ 2026-07-01 10:54:18
●NSns1.363.hk2026-03-14 → 2026-07-01 · 3 obs
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
○NSns1.dnsdun.com2018-07-09 → 2018-07-09 · 4 obs
○ 2017-04-09 16:08:00
● 2018-07-09 08:53:10
○ 2019-01-12 16:07:24
○ 2026-07-01 10:54:18
○NSns1.dnsdun.net2018-07-09 → 2018-07-09 · 4 obs
○ 2017-04-09 16:08:00
● 2018-07-09 08:53:10
○ 2019-01-12 16:07:24
○ 2026-07-01 10:54:18
●NSns1.myhostadmin.net2015-06-13 → 2026-07-01 · 5 obs
● 2015-06-13 13:38:24
○ 2015-10-27 15:41:26
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
●NSns2.363.hk2026-03-14 → 2026-07-01 · 3 obs
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
●NSns2.myhostadmin.net2015-06-13 → 2026-07-01 · 5 obs
● 2015-06-13 13:38:24
○ 2015-10-27 15:41:26
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
●NSns3.363.hk2026-03-14 → 2026-07-01 · 3 obs
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
○NSns3.myhostadmin.net2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 13:38:24
○ 2015-10-27 15:41:26
○ 2026-07-01 10:54:18
●NSns4.363.hk2026-03-14 → 2026-07-01 · 3 obs
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
○NSns4.myhostadmin.net2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 13:38:24
○ 2015-10-27 15:41:26
○ 2026-07-01 10:54:18
●NSns5.363.hk2026-03-14 → 2026-07-01 · 3 obs
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
○NSns5.myhostadmin.net2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 13:38:24
○ 2015-10-27 15:41:26
○ 2026-07-01 10:54:18
●NSns6.363.hk2026-03-14 → 2026-07-01 · 3 obs
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
● 2026-07-01 10:54:18
○NSns6.myhostadmin.net2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 13:38:24
○ 2015-10-27 15:41:26
○ 2026-07-01 10:54:18
○A154.214.169.1352026-03-14 → 2026-05-03 · 7 obs
○ 2019-01-12 16:07:24
● 2026-03-14 00:06:34
○ 2026-03-17 15:08:36
● 2026-03-23 06:12:28
● 2026-05-03 12:20:48
○ 2026-07-01 10:54:14
○ 2026-07-01 10:54:18
○A172.247.115.422018-07-09 → 2018-07-09 · 4 obs
○ 2016-09-23 04:22:30
● 2018-07-09 08:53:10
○ 2019-01-12 16:07:24
○ 2026-07-01 10:54:18
○A203.171.230.82015-10-27 → 2016-04-09 · 4 obs
● 2015-10-27 15:41:26
● 2016-04-09 10:14:56
○ 2016-09-23 04:22:30
○ 2026-07-01 10:54:18
○CNAME121420.vhost18.boxcdn.cn2015-10-27 → 2016-04-09 · 5 obs
○ 2015-06-13 13:38:24
● 2015-10-27 15:41:26
● 2016-04-09 10:14:56
○ 2016-09-23 04:22:30
○ 2026-07-01 10:54:18
○CNAMEpk.22.cn2019-01-12 → 2019-01-12 · 4 obs
○ 2016-09-23 04:22:30
● 2019-01-12 16:07:24
○ 2026-03-14 00:06:34
○ 2026-07-01 10:54:18
○CNAMEs-138873.gotocdn.com2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 13:38:24
○ 2015-10-27 15:41:26
○ 2026-07-01 10:54:18

🔍 DNS Trace

Analysis

Name Servers

DNS for self-study.cn is handled by 8 name servers: ns1.363.hk, ns2.363.hk, ns3.363.hk and 5 others.

The name servers of self-study.cn overlap at least partially with those of other domains — among them door4s.com, yun37.com.cn, iclook.com.cn and two more.

These name servers commonly appear in delegations together with ns4.363.hk, ns1.myhostadmin.net, ns2.myhostadmin.net and 6 other.

Hosts pointing to four IP addresses:

ns1.363.hk resolves to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.

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.

Hosts with three IP address records:

ns2.363.hk has IP addresses 61.172.183.73, 211.149.230.100 and 240e:d9:c200:1::2.

ns3.363.hk has IP addresses 61.172.183.77, 118.123.249.114 and 240e:d9:c200::2.

ns4.363.hk has IP addresses 118.123.253.132, 211.149.230.100 and 240e:d9:c200:1::2.

ns5.363.hk has IP addresses 61.172.183.73, 118.123.249.114 and 240e:d9:c200::2.

ns6.363.hk has IP addresses 60.247.150.13, 118.123.253.132 and 240e:d9:c200:1::2.

ns1.363.hk, ns1.myhostadmin.net, ns3.363.hk and ns5.363.hk each direct to 240e:d9:c200::2.

Host names pointing to 60.247.150.254 IP addresses: ns1.363.hk and ns1.myhostadmin.net.

ns1.363.hk, ns1.myhostadmin.net, ns3.363.hk and ns5.363.hk each direct to 118.123.249.114.

ns1.363.hk, ns1.myhostadmin.net, ns4.363.hk and ns6.363.hk each direct to 118.123.253.132.

ns2.myhostadmin.net, ns2.363.hk, ns4.363.hk and ns6.363.hk each direct to 240e:d9:c200:1::2.

ns2.myhostadmin.net, ns2.363.hk and ns5.363.hk all direct to 61.172.183.73.

ns2.myhostadmin.net, ns2.363.hk and ns4.363.hk all direct to 211.149.230.100.