polymath.cn - dns.ninja

polymath.cn

DNSSEC⚠️ Not signed
A8.218.137.223🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811
NSns1.eachnic.com ⚠️ Not in zone NS records
NSns2.eachnic.com ⚠️ Not in zone NS records
A8.218.137.223🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811

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=2035127880

Same first word

Similar names

DNS History

6 records (3 active, 3 former)

20162017201820192020202120222023202420252026NSns1.eachnic.comns2.eachnic.comA8.218.137.223113.10.190.20347.88.8.23364.235.41.10
NSns1.eachnic.com2026-03-16 → 2026-08-03 · 2 obs
● 2026-03-16 00:08:20
● 2026-08-03 11:21:36
NSns2.eachnic.com2026-03-16 → 2026-08-03 · 2 obs
● 2026-03-16 00:08:20
● 2026-08-03 11:21:36
A113.10.190.2032015-07-25 → 2016-07-02 · 4 obs
● 2015-07-25 00:47:42
● 2016-07-02 16:20:56
○ 2017-03-20 10:22:42
○ 2026-08-03 11:21:36
A47.88.8.2332017-03-20 → 2017-03-20 · 4 obs
○ 2016-07-02 16:20:56
● 2017-03-20 10:22:42
○ 2020-03-24 05:31:32
○ 2026-08-03 11:21:36
A64.235.41.102020-03-24 → 2020-03-24 · 4 obs
○ 2017-03-20 10:22:42
● 2020-03-24 05:31:32
○ 2026-03-16 00:08:20
○ 2026-08-03 11:21:36
A8.218.137.2232026-03-16 → 2026-08-03 · 8 obs
○ 2020-03-24 05:31:32
● 2026-03-16 00:08:20
● 2026-03-23 04:26:36
○ 2026-03-25 03:26:22
● 2026-03-26 18:33:44
○ 2026-03-27 21:35:20
● 2026-03-29 16:52:28
● 2026-08-03 11:21:36

🔍 DNS Trace

Analysis

IP Addresses

polymath.cn has exactly one IP address — 8.218.137.223.

kugu.cn, insighter.com.cn, nida.com.cn plus two other host names have IP numbers in common with polymath.cn.

Name Servers

polymath.cn is served by two delegated name servers, ns1.eachnic.com and ns2.eachnic.com.

The name server configuration of polymath.cn is shared with other domains, for instance ultramarine.cn, octek.cn, wanta.cn and two others.

Host names resolving to a single IP address:

ns2.eachnic.com points to the IP address 8.218.137.223.