copen.com.cn - robtex.com
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copen.com.cn
com.cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ ⚠️ 🔒 | ||||||
| NS | b.dns.cn⚠️ 🔒 | ||||||
| NS | c.dns.cn⚠️ 🔒 | ||||||
| NS | cns.cernet.net⚠️ | ||||||
| NS | d.dns.cn⚠️ 🔒 | ||||||
| NS | e.dns.cn⚠️ 🔒 | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030417290 | ||||||
Up
www.copen.com.cn |
Same first word
copen.ac.in |
copen.io |
copen.com.br |
copen.ru |
copen.com |
copen.de |
copen.cn |
copen.co.za |
copen.eu |
copen.jp |
copen.com.cn |
copen.org |
copen.dk |
copen.it |
copen.us |
copen.se |
copen.co |
copen.com.mx |
copen.host |
Similar names
DNS History
9 records (4 active, 5 former)
●NSdns23.hichina.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 23:15:36
● 2026-02-15 23:15:38
●NSdns24.hichina.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 23:15:36
● 2026-02-15 23:15:38
○NSns7.cnolnic.net2015-06-08 → 2017-06-21 · 4 obs
● 2017-06-21 04:11:46
○ 2026-02-15 23:15:36
○ 2026-02-15 23:15:38
○NSns8.cnolnic.net2015-06-08 → 2017-06-21 · 4 obs
● 2017-06-21 04:11:46
○ 2026-02-15 23:15:36
○ 2026-02-15 23:15:38
○A118.192.28.1192015-06-08 → 2015-06-08 · 3 obs
○ 2015-11-08 03:08:54
○ 2026-02-15 23:15:38
○A139.217.25.2182016-01-24 → 2017-06-21 · 5 obs
● 2016-01-24 14:10:56
● 2017-06-21 04:11:46
○ 2026-02-15 23:15:36
○ 2026-02-15 23:15:38
○A139.219.0.822015-11-08 → 2015-11-08 · 4 obs
● 2015-11-08 03:08:54
○ 2016-01-24 14:10:56
○ 2026-02-15 23:15:38
●A203.107.45.1672026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 23:15:36
● 2026-02-15 23:15:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| copen.com.cn | dns23.hichina.com, dns24.hichina.com | - |
✅ Authoritative Response
Server: 120.76.107.61
NS records: dns23.hichina.com, dns24.hichina.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 4557ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.107.45.167 |
| NS | 2 | dns24.hichina.com, dns23.hichina.com |
| SOA | 1 | dns23.hichina.com hostmaster.hichina.com |
AI analysis
copen.com.cn is the parent of www.copen.com.cn.
copen.com.cn points to a single IP number: 203.107.45.167.
other host names for instance xqiaotech.com, www.idcwk.com, deepoon.com, 44k4.com and waimaosend.com share IP numbers with copen.com.cn.
copen.com.cn is delegated to two name servers: dns23.hichina.com and dns24.hichina.com.
copen.com.cn shares the same name server setup as other domains, for example dyzl.cn, cnryb.com, wjjedu.com, maigoujp.com and cn-deg.com.
copen.com.cn at least partially shares name servers with other domains, for instance vaticas.com, maidianti.com, airstar.cn, automata.cn and xiaodaying.com.
These name servers are commonly used with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns23.hichina.com points to: 2408:4009:501::31, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns24.hichina.com points to: 2408:4009:501::32, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.
copen.com.cn is handled by a single mail server, mx137e.cnm.cn.
copen.com.cn shares the same mail server setup as other domains, for instance zydey.com.cn, xdep.com, xmhds.com, 027oa.com and kcomst.com.
Host name mx137e.cnm.cn points to IP address 180.76.132.127.