789ui.cn - robtex.com
789ui.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=2034668740 | ||||||
DNS History
5 records (0 active, 5 former)
○NSf1g1ns1.dnspod.net2015-11-02 → 2016-01-19 · 5 obs
○ 2015-06-29 07:54:08
● 2015-11-02 22:56:40
● 2016-01-19 07:29:30
○ 2016-04-17 19:16:00
○ 2026-04-14 07:14:12
● 2015-11-02 22:56:40
● 2016-01-19 07:29:30
○ 2016-04-17 19:16:00
○ 2026-04-14 07:14:12
○NSf1g1ns2.dnspod.net2015-11-02 → 2016-01-19 · 5 obs
○ 2015-06-29 07:54:08
● 2015-11-02 22:56:40
● 2016-01-19 07:29:30
○ 2016-04-17 19:16:00
○ 2026-04-14 07:14:12
● 2015-11-02 22:56:40
● 2016-01-19 07:29:30
○ 2016-04-17 19:16:00
○ 2026-04-14 07:14:12
○NSns1.51dns.com2015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 07:54:08
○ 2015-11-02 22:56:40
○ 2026-04-14 07:14:12
○ 2015-11-02 22:56:40
○ 2026-04-14 07:14:12
○A103.42.181.2182015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 07:54:08
○ 2015-11-02 22:56:40
○ 2026-04-14 07:14:12
○ 2015-11-02 22:56:40
○ 2026-04-14 07:14:12
○A23.27.112.1652015-11-02 → 2016-01-19 · 5 obs
○ 2015-06-29 07:54:08
● 2015-11-02 22:56:40
● 2016-01-19 07:29:30
○ 2016-04-17 19:16:00
○ 2026-04-14 07:14:12
● 2015-11-02 22:56:40
● 2016-01-19 07:29:30
○ 2016-04-17 19:16:00
○ 2026-04-14 07:14:12
🔍 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: 743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|