xmdidao.cn - robtex.com
xmdidao.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=2034703909 | ||||||
DNS History
5 records (0 active, 5 former)
○NSdns10.hichina.com2015-05-29 → 2016-03-27 · 4 obs
● 2015-05-29 20:55:00
● 2016-03-27 10:13:20
○ 2016-07-18 10:11:10
○ 2026-04-23 17:07:14
● 2016-03-27 10:13:20
○ 2016-07-18 10:11:10
○ 2026-04-23 17:07:14
○NSdns9.hichina.com2015-05-29 → 2016-03-27 · 4 obs
● 2015-05-29 20:55:00
● 2016-03-27 10:13:20
○ 2016-07-18 10:11:10
○ 2026-04-23 17:07:14
● 2016-03-27 10:13:20
○ 2016-07-18 10:11:10
○ 2026-04-23 17:07:14
○NSjm1.dns.com2020-02-07 → 2020-02-07 · 4 obs
○ 2016-07-18 10:11:10
● 2020-02-07 10:31:42
○ 2026-04-07 13:33:34
○ 2026-04-23 17:07:14
● 2020-02-07 10:31:42
○ 2026-04-07 13:33:34
○ 2026-04-23 17:07:14
○A113.10.138.1732015-05-29 → 2016-03-27 · 4 obs
● 2015-05-29 20:55:00
● 2016-03-27 10:13:20
○ 2016-07-18 10:11:10
○ 2026-04-23 17:07:14
● 2016-03-27 10:13:20
○ 2016-07-18 10:11:10
○ 2026-04-23 17:07:14
○A154.194.161.762020-02-07 → 2020-02-07 · 4 obs
○ 2016-07-18 10:11:10
● 2020-02-07 10:31:42
○ 2026-04-07 13:33:34
○ 2026-04-23 17:07:14
● 2020-02-07 10:31:42
○ 2026-04-07 13:33:34
○ 2026-04-23 17:07:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
NS records: e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn, b.dns.cn
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 3495ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|