511sd.cn - robtex.com
511sd.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=2034793090 | ||||||
Same first word
Similar names
DNS History
6 records (0 active, 6 former)
○NSns1.22.cn2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:17:30
○ 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○ 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○NSns2.22.cn2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:17:30
○ 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○ 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○NSplease-renew-your-domain-in-www.22.cn2026-04-11 → 2026-04-11 · 3 obs
○ 2026-03-27 08:17:30
● 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
● 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○A101.36.118.1592026-04-11 → 2026-04-11 · 3 obs
○ 2026-03-27 08:17:30
● 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
● 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○A108.187.17.2012026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 08:17:30
○ 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○ 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
○A154.85.58.1742026-04-11 → 2026-04-11 · 3 obs
○ 2026-03-27 08:17:30
● 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
● 2026-04-11 06:12:22
○ 2026-05-14 21:56:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
NS records: b.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 612ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|