21video.cn - robtex.com
21video.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=2034768206 | ||||||
Same first word
Similar names
DNS History
12 records (0 active, 12 former)
○NSns1.22.cn2015-11-20 → 2015-11-20 · 4 obs
○ 2015-07-14 08:14:30
● 2015-11-20 01:19:04
○ 2016-07-24 22:01:50
○ 2026-05-09 00:53:34
● 2015-11-20 01:19:04
○ 2016-07-24 22:01:50
○ 2026-05-09 00:53:34
○NSns1.51dns.com2015-07-14 → 2015-07-14 · 3 obs
● 2015-07-14 08:14:30
○ 2015-11-20 01:19:04
○ 2026-05-09 00:53:34
○ 2015-11-20 01:19:04
○ 2026-05-09 00:53:34
○NSns1.nowcndns.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-06-05 01:43:42
● 2026-03-16 05:34:02
○ 2026-05-09 00:53:34
● 2026-03-16 05:34:02
○ 2026-05-09 00:53:34
○NSns2.22.cn2015-11-20 → 2015-11-20 · 4 obs
○ 2015-07-14 08:14:30
● 2015-11-20 01:19:04
○ 2016-08-12 13:32:22
○ 2026-05-09 00:53:34
● 2015-11-20 01:19:04
○ 2016-08-12 13:32:22
○ 2026-05-09 00:53:34
○NSns2.nowcndns.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-06-05 01:43:42
● 2026-03-16 05:34:02
○ 2026-05-09 00:53:34
● 2026-03-16 05:34:02
○ 2026-05-09 00:53:34
○NSns3.22.cn2015-11-20 → 2015-11-20 · 4 obs
○ 2015-07-14 08:14:30
● 2015-11-20 01:19:04
○ 2016-08-12 13:32:22
○ 2026-05-09 00:53:34
● 2015-11-20 01:19:04
○ 2016-08-12 13:32:22
○ 2026-05-09 00:53:34
○NSns4.22.cn2015-11-20 → 2015-11-20 · 4 obs
○ 2015-07-14 08:14:30
● 2015-11-20 01:19:04
○ 2016-08-12 13:32:22
○ 2026-05-09 00:53:34
● 2015-11-20 01:19:04
○ 2016-08-12 13:32:22
○ 2026-05-09 00:53:34
○NSv1s1.xundns.com2016-07-24 → 2016-08-12 · 5 obs
○ 2015-11-20 01:19:04
● 2016-07-24 22:01:50
● 2016-08-12 13:32:22
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
● 2016-07-24 22:01:50
● 2016-08-12 13:32:22
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
○NSv1s2.xundns.com2016-08-12 → 2016-08-12 · 4 obs
○ 2016-07-24 22:01:50
● 2016-08-12 13:32:22
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
● 2016-08-12 13:32:22
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
○A108.186.119.262026-03-16 → 2026-03-16 · 3 obs
○ 2017-06-05 01:43:42
● 2026-03-16 05:34:02
○ 2026-05-09 00:53:34
● 2026-03-16 05:34:02
○ 2026-05-09 00:53:34
○A23.244.167.232016-06-12 → 2016-06-12 · 4 obs
○ 2015-07-14 08:14:30
● 2016-06-12 11:08:14
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
● 2016-06-12 11:08:14
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
○A72.46.140.1002015-07-14 → 2015-07-14 · 3 obs
● 2015-07-14 08:14:30
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
○ 2017-06-05 01:43:42
○ 2026-05-09 00:53:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
✅ Authoritative Response
Server:203.119.28.1
NS records: d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 722ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|