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
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
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=2035125269

Same first word

polymath.ir
polymath.cc
polymath.info
polymath.tv
polymath.org
polymath.co
polymath.life
polymath.me
polymath.pro
polymath.biz
polymath.nl
polymath.de
polymath.com.hk
polymath.institute
polymath.co.in
polymath.com.cn
polymath.cn
polymath.capital
polymath.group
polymath.io
polymath.ca
polymath.how
polymath.no
polymath.edu.lk
polymath.co.il
polymath.network
polymath.edu.in
polymath.com
polymath.co.uk
polymath.marketing
polymath.at
polymath.com.mx
polymath.net
polymath.world
polymath.us
polymath.dk

Similar names

myhotlap.com
opalmyth.com
opthalmy.com
ampholyt.de
maltyhop.com
mathpoly.com

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 → 2026-08-02 · 2 obs
● 2026-03-16 00:08:20
● 2026-08-02 19:54:54
●NSns2.eachnic.com2026-03-16 → 2026-08-02 · 2 obs
● 2026-03-16 00:08:20
● 2026-08-02 19:54:54
○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
○ 2026-08-02 19:54:54
○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
○ 2026-08-02 19:54:54
○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
○ 2026-08-02 19:54:54
●A8.218.137.2232026-03-16 → 2026-08-02 · 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
● 2026-08-02 19:54:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, b.dns.cn, c.dns.cn, a.dns.cn...-
polymath.cnns1.eachnic.com, ns2.eachnic.com-

✅ Authoritative Response

Server:8.218.137.223

NS records: ns1.eachnic.com, ns2.eachnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polymath.cn (unsigned zone)

⏱️ Timing

Total: 1640ms | Queries: -

📄 Records

TypeCountSample Data
A18.218.137.223

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.

ns1.eachnic.com and ns2.eachnic.com share one IP address between them — 8.218.137.223.

These two host names — ns1.eachnic.com and ns2.eachnic.com — each point to 8.218.137.223 IP addresses.