52bi.com.cn - robtex.com
52bi.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030510792 | ||||||
Same first word
Similar names
DNS History
5 records (0 active, 5 former)
○NSdns10.hichina.com2016-12-30 → 2018-08-26 · 3 obs
● 2016-12-30 05:35:30
● 2018-08-26 16:02:28
○ 2026-04-12 13:03:36
● 2018-08-26 16:02:28
○ 2026-04-12 13:03:36
○NSdns9.hichina.com2016-12-30 → 2018-08-26 · 3 obs
● 2016-12-30 05:35:30
● 2018-08-26 16:02:28
○ 2026-04-12 13:03:36
● 2018-08-26 16:02:28
○ 2026-04-12 13:03:36
○NSns1.nowcndns.com2026-04-12 → 2026-04-12 · 1 obs
○ 2026-04-12 13:03:36
○NSns2.nowcndns.com2026-04-12 → 2026-04-12 · 1 obs
○ 2026-04-12 13:03:36
○A154.215.224.762026-04-12 → 2026-04-12 · 1 obs
○ 2026-04-12 13:03:36
🔍 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: 3681ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|