knul.cn - robtex.com
knul.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=2035129131 | ||||||
Same first word
Similar names
DNS History
7 records (0 active, 7 former)
○NSns1.myhostadmin.net2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 17:04:06
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○NSns2.myhostadmin.net2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 17:04:06
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○NSns3.myhostadmin.net2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 17:04:06
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○NSns4.myhostadmin.net2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 17:04:06
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○NSns5.myhostadmin.net2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 17:04:06
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○NSns6.myhostadmin.net2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 17:04:06
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○A47.52.116.2462019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 17:04:06
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
○ 2026-04-02 10:49:52
○ 2026-08-03 18:55:34
🔍 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: 727ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|