cd51dz.cn - robtex.com
cd51dz.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=2035094109 | ||||||
Same first word
cd51dz.cn |
DNS History
10 records (0 active, 10 former)
○NSns1.22.cn2026-03-01 → 2026-06-17 · 4 obs
● 2026-03-01 08:57:22
● 2026-06-17 11:15:56
○ 2026-07-17 16:37:28
○ 2026-07-26 22:25:42
● 2026-06-17 11:15:56
○ 2026-07-17 16:37:28
○ 2026-07-26 22:25:42
○NSns2.22.cn2026-03-01 → 2026-06-17 · 4 obs
● 2026-03-01 08:57:22
● 2026-06-17 11:15:56
○ 2026-07-17 16:37:28
○ 2026-07-26 22:25:42
● 2026-06-17 11:15:56
○ 2026-07-17 16:37:28
○ 2026-07-26 22:25:42
○NSplease-renew-your-domain-in-www.22.cn2026-07-17 → 2026-07-17 · 4 obs
○ 2026-06-17 11:15:56
● 2026-07-17 16:37:28
○ 2026-07-26 22:25:40
○ 2026-07-26 22:25:42
● 2026-07-17 16:37:28
○ 2026-07-26 22:25:40
○ 2026-07-26 22:25:42
○A101.36.118.1592026-07-17 → 2026-07-17 · 4 obs
○ 2026-06-17 11:15:56
● 2026-07-17 16:37:28
○ 2026-07-26 22:25:40
○ 2026-07-26 22:25:42
● 2026-07-17 16:37:28
○ 2026-07-26 22:25:40
○ 2026-07-26 22:25:42
○A103.82.52.52026-03-22 → 2026-06-15 · 5 obs
○ 2026-03-13 19:49:32
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
○A103.82.53.1172026-03-22 → 2026-06-15 · 5 obs
○ 2026-03-13 19:49:32
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
○A154.201.65.582026-03-01 → 2026-03-13 · 4 obs
● 2026-03-01 08:57:22
● 2026-03-13 19:49:32
○ 2026-03-22 18:24:36
○ 2026-07-26 22:25:42
● 2026-03-13 19:49:32
○ 2026-03-22 18:24:36
○ 2026-07-26 22:25:42
○A154.85.58.1742026-07-17 → 2026-07-17 · 4 obs
○ 2026-06-17 11:15:56
● 2026-07-17 16:37:28
○ 2026-07-26 22:25:40
○ 2026-07-26 22:25:42
● 2026-07-17 16:37:28
○ 2026-07-26 22:25:40
○ 2026-07-26 22:25:42
○A23.145.4.1302026-03-22 → 2026-06-15 · 5 obs
○ 2026-03-13 19:49:32
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
○A23.145.4.682026-03-22 → 2026-06-15 · 5 obs
○ 2026-03-13 19:49:32
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
● 2026-03-22 18:24:36
● 2026-06-15 03:20:08
○ 2026-06-17 11:15:56
○ 2026-07-26 22:25:42
🔍 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: 3484ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|