zupsnbb.cn - robtex.com
zupsnbb.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=2034779606 | ||||||
Same first word
zupsnbb.cn |
DNS History
4 records (0 active, 4 former)
○NSns1.julydns.com2026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 05:25:52
○ 2026-05-11 17:43:14
○ 2026-05-11 17:43:14
○NSns2.julydns.com2026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 05:25:52
○ 2026-05-11 17:43:14
○ 2026-05-11 17:43:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
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: 742ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|