400book.cn - robtex.com
400book.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=2034456417 | ||||||
Subdomains
www.400book.cn |
DNS History
4 records (0 active, 4 former)
○NSf1g1ns1.dnspod.net2015-08-11 → 2020-01-02 · 3 obs
● 2015-08-11 13:27:28
● 2020-01-02 00:03:56
○ 2026-03-08 05:56:08
● 2020-01-02 00:03:56
○ 2026-03-08 05:56:08
○NSf1g1ns2.dnspod.net2015-08-11 → 2020-01-02 · 3 obs
● 2015-08-11 13:27:28
● 2020-01-02 00:03:56
○ 2026-03-08 05:56:08
● 2020-01-02 00:03:56
○ 2026-03-08 05:56:08
○A104.202.248.2232020-01-02 → 2020-01-02 · 3 obs
○ 2016-07-07 08:11:54
● 2020-01-02 00:03:56
○ 2026-03-08 05:56:08
● 2020-01-02 00:03:56
○ 2026-03-08 05:56:08
○A107.150.58.612015-08-11 → 2016-03-15 · 4 obs
● 2015-08-11 13:27:28
● 2016-03-15 04:50:46
○ 2016-07-07 08:11:54
○ 2026-03-08 05:56:08
● 2016-03-15 04:50:46
○ 2016-07-07 08:11:54
○ 2026-03-08 05:56:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
✅ Authoritative Response
Server: 203.119.29.1
NS records: c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|