class.cool - dns.ninja

class.cool

DNSSEC⚠️ Not signed
NSns1.myhostadmin.net ⚠️ 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.myhostadmin.net ⚠️ 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
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

cool

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.cool ⭐
NSv0n1.nic.cool
NSv0n2.nic.cool
NSv0n3.nic.cool
NSv2n0.nic.cool
NSv2n1.nic.cool
SOAv0n0.nic.coolhostmaster@donuts.email serial=1781650918

Same first word

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class.adobeaemcloud.com

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acssl.com
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cssla.com
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casls.com

DNS History

7 records (2 active, 5 former)

2017201820192020202120222023202420252026NSns1.myhostadmin.netns2.myhostadmin.netns57.domaincontrol.comns58.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA184.168.221.41
●NSns1.myhostadmin.net2026-06-15 → 2026-06-16 · 3 obs
○ 2016-12-10 20:43:54
● 2026-06-15 12:27:02
● 2026-06-16 23:33:36
●NSns2.myhostadmin.net2026-06-15 → 2026-06-16 · 3 obs
○ 2016-12-10 20:43:54
● 2026-06-15 12:27:02
● 2026-06-16 23:33:36
○NSns57.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:43:54
○ 2026-06-15 12:27:02
○ 2026-06-16 23:33:36
○NSns58.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:43:54
○ 2026-06-15 12:27:02
○ 2026-06-16 23:33:36
○MXmailstore1.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:43:54
○ 2026-06-15 12:27:02
○ 2026-06-16 23:33:36
○MXsmtp.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:43:54
○ 2026-06-15 12:27:02
○ 2026-06-16 23:33:36
○A184.168.221.412016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:43:54
○ 2026-06-15 12:27:02
○ 2026-06-16 23:33:36

🔍 DNS Trace

Analysis

Name Servers

class.cool is served by two delegated name servers, ns1.myhostadmin.net and ns2.myhostadmin.net.

class.cool shares its NS records with other domains, for example dajinw.net, gfjyw.com.cn, wheresdata.com and two others.

There is at least partial name server overlap between class.cool and other domains — 525r.com, 259462.cn, mh-open.com and two more among them.

These name servers regularly appear alongside ns4.myhostadmin.net, ns5.myhostadmin.net, ns3.myhostadmin.net and 7 other name servers in NS record sets.

Hosts ns1.myhostadmin.net and ns2.myhostadmin.net each point to four IP addresses: ns1.myhostadmin.net resolves to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2, and ns2.myhostadmin.net resolves to 61.172.183.73, 61.240.129.143, 211.149.230.100 and 240e:d9:c200:1::2.