k02rf.cn - robtex.com
k02rf.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=2034705638 | ||||||
DNS History
1 record (0 active, 1 former)
○A210.209.112.2132015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 19:30:12
○ 2026-04-08 11:46:16
○ 2026-04-24 05:48:28
○ 2026-04-08 11:46:16
○ 2026-04-24 05:48:28
🔍 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 |
|---|