polymath.cn - dns.ninja
polymath.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.218.137.223🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | ns1.eachnic.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.eachnic.com ⚠️ Not in zone NS records | ||||||
| A | 8.218.137.223🇭🇰 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) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035127880 | ||||||
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSns1.eachnic.com2026-03-16 → 2026-08-03 · 2 obs
● 2026-03-16 00:08:20
● 2026-08-03 11:21:36
● 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
● 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
● 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
● 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
● 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
● 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.