ckfdb.cn - robtex.com
ckfdb.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=2034590022 | ||||||
Similar names
DNS History
4 records (0 active, 4 former)
○NSns1.58admin.com2017-02-15 → 2017-02-15 · 3 obs
● 2017-02-15 03:22:48
○ 2020-04-01 01:07:16
○ 2026-03-26 15:20:00
○ 2020-04-01 01:07:16
○ 2026-03-26 15:20:00
○NSns2.58admin.com2017-02-15 → 2017-02-15 · 3 obs
● 2017-02-15 03:22:48
○ 2020-04-01 01:07:16
○ 2026-03-26 15:20:00
○ 2020-04-01 01:07:16
○ 2026-03-26 15:20:00
○A47.89.39.982016-04-19 → 2016-04-19 · 3 obs
● 2016-04-19 07:14:44
○ 2017-02-15 03:22:48
○ 2026-03-26 15:20:00
○ 2017-02-15 03:22:48
○ 2026-03-26 15:20:00
○A47.90.85.1552017-02-15 → 2017-02-15 · 4 obs
○ 2016-04-19 07:14:44
● 2017-02-15 03:22:48
○ 2020-04-01 01:07:16
○ 2026-03-26 15:20:00
● 2017-02-15 03:22:48
○ 2020-04-01 01:07:16
○ 2026-03-26 15:20:00
🔍 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: 736ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|