oudp.cn - robtex.com
oudp.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=2034672793 | ||||||
Similar names
DNS History
3 records (0 active, 3 former)
○NSdns11.hichina.com2020-01-29 → 2020-01-29 · 3 obs
● 2020-01-29 00:02:10
○ 2026-03-26 15:57:44
○ 2026-04-15 09:21:58
○ 2026-03-26 15:57:44
○ 2026-04-15 09:21:58
○NSdns12.hichina.com2020-01-29 → 2020-01-29 · 3 obs
● 2020-01-29 00:02:10
○ 2026-03-26 15:57:44
○ 2026-04-15 09:21:58
○ 2026-03-26 15:57:44
○ 2026-04-15 09:21:58
○A47.75.127.1702020-01-29 → 2020-01-29 · 3 obs
● 2020-01-29 00:02:10
○ 2026-03-26 15:57:44
○ 2026-04-15 09:21:58
○ 2026-03-26 15:57:44
○ 2026-04-15 09:21:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.28.1
NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 735ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|