pn4o.cn - robtex.com
pn4o.cn
| DNSSEC | ⚠️ Not signed | ||||||
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=2034722119 | ||||||
Similar names
DNS History
3 records (0 active, 3 former)
○NSdns1.zhangcong.top2017-06-04 → 2017-06-04 · 3 obs
● 2017-06-04 19:53:46
○ 2026-03-27 16:03:12
○ 2026-04-28 06:10:12
○ 2026-03-27 16:03:12
○ 2026-04-28 06:10:12
○NSdns1.zhangcong.top.pn4o.cn2017-06-04 → 2017-06-04 · 3 obs
● 2017-06-04 19:53:46
○ 2026-03-27 16:03:12
○ 2026-04-28 06:10:12
○ 2026-03-27 16:03:12
○ 2026-04-28 06:10:12
○NSdns2.zhangcong.top2017-06-04 → 2017-06-04 · 3 obs
● 2017-06-04 19:53:46
○ 2026-03-27 16:03:12
○ 2026-04-28 06:10:12
○ 2026-03-27 16:03:12
○ 2026-04-28 06:10:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
✅ Authoritative Response
Server:203.119.26.1
NS records: e.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 3359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|