html5contest.cn - robtex.com
html5contest.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=2034720662 | ||||||
Same first word
html5contest.cn |
DNS History
12 records (0 active, 12 former)
○NSdm1.longmingdns.com2026-03-20 → 2026-03-20 · 3 obs
○ 2018-08-08 09:28:34
● 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
● 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
○NSdm2.longmingdns.com2026-03-20 → 2026-03-20 · 3 obs
○ 2018-08-08 09:28:34
● 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
● 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
○NSns1.22.cn2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 18:35:08
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○NSns2.22.cn2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 18:35:08
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○NSns3.22.cn2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 18:35:08
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○NSns4.22.cn2015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 18:35:08
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
○NSv1s1.xundns.com2018-08-08 → 2018-08-08 · 4 obs
○ 2016-02-04 16:39:56
● 2018-08-08 09:28:34
○ 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
● 2018-08-08 09:28:34
○ 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
○NSv1s2.xundns.com2018-08-08 → 2018-08-08 · 4 obs
○ 2016-02-04 16:39:56
● 2018-08-08 09:28:34
○ 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
● 2018-08-08 09:28:34
○ 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
○A154.85.229.1142026-03-20 → 2026-03-20 · 3 obs
○ 2018-08-08 09:28:34
● 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
● 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
○A156.233.203.552018-08-08 → 2018-08-08 · 4 obs
○ 2016-02-04 16:39:56
● 2018-08-08 09:28:34
○ 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
● 2018-08-08 09:28:34
○ 2026-03-20 22:21:18
○ 2026-04-27 22:51:48
○A173.208.184.2542015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 18:35:08
○ 2015-11-11 19:56:26
○ 2026-04-27 22:51:48
○ 2015-11-11 19:56:26
○ 2026-04-27 22:51:48
○A74.82.63.1232015-11-11 → 2015-11-11 · 4 obs
○ 2015-07-02 18:35:08
● 2015-11-11 19:56:26
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
● 2015-11-11 19:56:26
○ 2016-02-04 16:39:56
○ 2026-04-27 22:51:48
🔍 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: 747ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|