mathorg.cn - robtex.com
mathorg.cn
| CNAME | mathorg.cn.eo.dnse1.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.169.13.146🇸🇬 ACE-AS-AP43.169.13.0/24 ACE | ||||||
| A | 43.169.14.146🇸🇬 ACE-AS-AP43.169.14.0/24 ACE | ||||||
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=2034591106 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSapple.dnspod.net2026-02-28 → 2026-03-27 · 2 obs
● 2026-02-28 00:02:24
● 2026-03-27 00:21:20
● 2026-03-27 00:21:20
●NSbeverly.dnspod.net2026-02-28 → 2026-03-27 · 2 obs
● 2026-02-28 00:02:24
● 2026-03-27 00:21:20
● 2026-03-27 00:21:20
○A119.28.50.1622026-02-28 → 2026-03-27 · 2 obs
○ 2026-02-28 00:02:24
○ 2026-03-27 00:21:20
○ 2026-03-27 00:21:20
●CNAMEmathorg.cn.eo.dnse1.com2026-02-28 → 2026-03-27 · 2 obs
● 2026-02-28 00:02:24
● 2026-03-27 00:21:20
● 2026-03-27 00:21:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| mathorg.cn | apple.dnspod.net, beverly.dnspod.net | - |
✅ Authoritative Response
Server:111.13.13.35
NS records: apple.dnspod.net, beverly.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathorg.cn (unsigned zone)
⏱️ Timing
Total: 1452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | mathorg.cn.eo.dnse1.com |
| SOA | 1 | apple.dnspod.net freednsadmin.dnspod.com |
Analysis
IP Addresses
mathorg.cn points to two IP numbers: 43.169.13.146 and 43.169.14.146.
Other host names such as swy.cn.eo.dnse5.com, mathorg.cn.eo.dnse1.com and ikys.cn.eo.dnse1.com share IP numbers with mathorg.cn.