kc40.cn - robtex.com
kc40.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=2034740399 | ||||||
Similar names
DNS History
5 records (0 active, 5 former)
○NSns1.72dns.com2015-06-17 → 2015-06-17 · 3 obs
● 2015-06-17 19:52:22
○ 2015-11-02 20:10:56
○ 2026-05-02 06:52:00
○ 2015-11-02 20:10:56
○ 2026-05-02 06:52:00
○NSns1.expiredns.net2015-11-02 → 2015-11-02 · 4 obs
○ 2015-06-17 19:52:22
● 2015-11-02 20:10:56
○ 2015-11-05 12:49:04
○ 2026-05-02 06:52:00
● 2015-11-02 20:10:56
○ 2015-11-05 12:49:04
○ 2026-05-02 06:52:00
○NSns2.expiredns.net2015-11-02 → 2015-11-02 · 4 obs
○ 2015-06-17 19:52:22
● 2015-11-02 20:10:56
○ 2015-11-05 12:49:04
○ 2026-05-02 06:52:00
● 2015-11-02 20:10:56
○ 2015-11-05 12:49:04
○ 2026-05-02 06:52:00
○A123.254.111.1842015-11-02 → 2015-11-02 · 4 obs
○ 2015-06-17 19:52:22
● 2015-11-02 20:10:56
○ 2015-11-05 12:49:04
○ 2026-05-02 06:52:00
● 2015-11-02 20:10:56
○ 2015-11-05 12:49:04
○ 2026-05-02 06:52:00
○A210.209.90.1592015-06-17 → 2015-06-17 · 3 obs
● 2015-06-17 19:52:22
○ 2015-11-02 20:10:56
○ 2026-05-02 06:52:00
○ 2015-11-02 20:10:56
○ 2026-05-02 06:52:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.28.1
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: 794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|