lc4b.cn - robtex.com
lc4b.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=2034661398 | ||||||
Similar names
DNS History
4 records (0 active, 4 former)
○NSns1.lc4b.cn2015-08-09 → 2015-08-09 · 3 obs
● 2015-08-09 08:14:40
○ 2015-11-26 16:23:02
○ 2026-04-12 06:09:32
○ 2015-11-26 16:23:02
○ 2026-04-12 06:09:32
○NSns1.ydzq.cn2015-11-26 → 2015-11-26 · 4 obs
○ 2015-08-09 08:14:40
● 2015-11-26 16:23:02
○ 2016-01-23 04:17:50
○ 2026-04-12 06:09:32
● 2015-11-26 16:23:02
○ 2016-01-23 04:17:50
○ 2026-04-12 06:09:32
○NSns2.ydzq.cn2015-11-26 → 2015-11-26 · 4 obs
○ 2015-08-09 08:14:40
● 2015-11-26 16:23:02
○ 2016-01-23 04:17:50
○ 2026-04-12 06:09:32
● 2015-11-26 16:23:02
○ 2016-01-23 04:17:50
○ 2026-04-12 06:09:32
○NSroot2015-11-26 → 2015-11-26 · 4 obs
○ 2015-08-09 08:14:40
● 2015-11-26 16:23:02
○ 2016-01-23 04:17:50
○ 2026-04-12 06:09:32
● 2015-11-26 16:23:02
○ 2016-01-23 04:17:50
○ 2026-04-12 06:09:32
🔍 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: 768ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|