020hdtv.cn - robtex.com
020hdtv.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=2035162501 | ||||||
DNS History
6 records (0 active, 6 former)
○NSns1.51dns.com2015-08-20 → 2016-03-10 · 4 obs
● 2015-08-20 05:34:00
● 2016-03-10 13:43:36
○ 2016-07-10 06:46:16
○ 2026-08-10 07:14:02
● 2016-03-10 13:43:36
○ 2016-07-10 06:46:16
○ 2026-08-10 07:14:02
○NSns2.51dns.com2015-08-20 → 2016-03-10 · 4 obs
● 2015-08-20 05:34:00
● 2016-03-10 13:43:36
○ 2016-07-10 06:46:16
○ 2026-08-10 07:14:02
● 2016-03-10 13:43:36
○ 2016-07-10 06:46:16
○ 2026-08-10 07:14:02
○NSns3.dnsdun.com2020-03-28 → 2020-03-28 · 3 obs
○ 2016-07-10 06:46:16
● 2020-03-28 01:50:38
○ 2026-08-10 07:14:02
● 2020-03-28 01:50:38
○ 2026-08-10 07:14:02
○NSns3.dnsdun.net2020-03-28 → 2020-03-28 · 3 obs
○ 2016-07-10 06:46:16
● 2020-03-28 01:50:38
○ 2026-08-10 07:14:02
● 2020-03-28 01:50:38
○ 2026-08-10 07:14:02
○A154.94.71.1422020-03-28 → 2020-03-28 · 3 obs
○ 2016-07-10 06:46:16
● 2020-03-28 01:50:38
○ 2026-08-10 07:14:02
● 2020-03-28 01:50:38
○ 2026-08-10 07:14:02
○A198.177.58.1132015-08-20 → 2015-12-05 · 4 obs
● 2015-08-20 05:34:00
● 2015-12-05 21:47:58
○ 2016-07-10 06:46:16
○ 2026-08-10 07:14:02
● 2015-12-05 21:47:58
○ 2016-07-10 06:46:16
○ 2026-08-10 07:14:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
NS records: a.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn, c.dns.cn
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.25.1 for DNSKEY cn
⏱️ Timing
Total: 3498ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|