cpmath.cn - robtex.com
cpmath.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.165.41.110🇺🇸 AS40061938.165.40.0/22 aross | ||||||
| NS | ns1.ename.net ⭐ | ||||||
| A | 2001:df2:f080:1::8🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 61.158.128.31🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 31.128.158.61.ha.cnc | ||||||
| A | 218.98.111.173🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.ename.net | ||||||
| A | 240e:97d:10:1402:0:1:0:1005🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network | ||||||
| A | 1.193.216.198🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 183.253.57.199🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.52🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.ename.netadmin@ename.net serial=1771529961 | ||||||
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=2034721155 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●A38.165.41.1102026-03-28 → 2026-04-28 · 2 obs
● 2026-04-28 01:55:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
| cpmath.cn | ns1.ename.net, ns2.ename.net | - |
✅ Authoritative Response
Server:183.253.57.199
NS records: ns1.ename.net, ns2.ename.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cpmath.cn (unsigned zone)
⏱️ Timing
Total: 4012ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.165.41.110 |
| NS | 2 | ns1.ename.net, ns2.ename.net |
| SOA | 1 | ns1.ename.net admin.ename.net |
Analysis
IP Addresses
cpmath.cn points to IP number: 38.165.41.110.
Other host names such as dsdgfb.cn, t5yjl.cn and 844a86.cn share IP numbers with cpmath.cn.
Name Servers
cpmath.cn is delegated to two name servers: ns1.ename.net and ns2.ename.net.
cpmath.cn shares the same name server setup as yebt.com, gameease.com, prbn.cn, boopad.com and 04125.com.
cpmath.cn shares name servers with other domains at least partially, for instance keyker.cn and 13139.com.
These name servers are commonly used with ns3.dns.com and ns4.dns.com.
Host names with four IP numbers: ns2.ename.net points to 240e:97d:10:1402:0:1:0:1005, 1.193.216.198, 183.253.57.199 and 211.99.99.52. Host names with three IP numbers: ns1.ename.net points to 2001:df2:f080:1::8, 61.158.128.31 and 218.98.111.173.