u6990.cn - robtex.com
u6990.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=2034778310 | ||||||
Similar names
DNS History
4 records (0 active, 4 former)
○NSns1.nowcndns.com2026-02-25 → 2026-02-25 · 3 obs
● 2026-02-25 10:46:30
○ 2026-03-13 08:36:00
○ 2026-05-11 10:30:32
○ 2026-03-13 08:36:00
○ 2026-05-11 10:30:32
○NSns2.nowcndns.com2026-02-25 → 2026-02-25 · 3 obs
● 2026-02-25 10:46:30
○ 2026-03-13 08:36:00
○ 2026-05-11 10:30:32
○ 2026-03-13 08:36:00
○ 2026-05-11 10:30:32
○A154.197.224.1832026-02-25 → 2026-05-11 · 2 obs
○ 2026-02-25 10:46:30
○ 2026-05-11 10:30:32
○ 2026-05-11 10:30:32
○A35.220.219.22026-02-25 → 2026-02-25 · 3 obs
● 2026-02-25 10:46:30
○ 2026-03-13 08:36:00
○ 2026-05-11 10:30:32
○ 2026-03-13 08:36:00
○ 2026-05-11 10:30:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, b.dns.cn, e.dns.cn, a.dns.cn... | - |
✅ Authoritative Response
Server:203.119.27.1
NS records: c.dns.cn, b.dns.cn, e.dns.cn, a.dns.cn, d.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3538ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|