zengjunbo.cn - robtex.com
zengjunbo.cn
| DNSSEC | ⚠️ Not signed | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034708782 | ||||||
DNS History
4 records (0 active, 4 former)
○NSns1.nowcndns.com2026-02-27 → 2026-03-26 · 4 obs
● 2026-02-27 20:18:44
● 2026-03-26 13:30:32
○ 2026-04-24 23:17:02
○ 2026-04-25 01:06:08
● 2026-03-26 13:30:32
○ 2026-04-24 23:17:02
○ 2026-04-25 01:06:08
○NSns2.nowcndns.com2026-02-27 → 2026-03-26 · 4 obs
● 2026-02-27 20:18:44
● 2026-03-26 13:30:32
○ 2026-04-24 23:17:02
○ 2026-04-25 01:06:08
● 2026-03-26 13:30:32
○ 2026-04-24 23:17:02
○ 2026-04-25 01:06:08
○A149.120.169.22026-03-26 → 2026-03-26 · 4 obs
○ 2026-02-27 20:18:44
● 2026-03-26 13:30:32
○ 2026-04-24 23:17:02
○ 2026-04-25 01:06:08
● 2026-03-26 13:30:32
○ 2026-04-24 23:17:02
○ 2026-04-25 01:06:08
○A38.177.136.862026-02-27 → 2026-02-27 · 3 obs
● 2026-02-27 20:18:44
○ 2026-03-26 13:30:32
○ 2026-04-25 01:06:08
○ 2026-03-26 13:30:32
○ 2026-04-25 01:06:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.27.1
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: 3454ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|