2cold.cn - robtex.com
2cold.cn
| DNSSEC | ⚠️ Not signed | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
Similar names
DNS History
5 records (0 active, 5 former)
○NSns5010.01isp.com2015-06-29 → 2017-04-01 · 3 obs
● 2015-06-29 21:59:40
● 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
● 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
○NSns5011.01isp.cn2015-06-29 → 2017-04-01 · 3 obs
● 2015-06-29 21:59:40
● 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
● 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
○A111.221.108.962015-11-04 → 2016-04-19 · 5 obs
○ 2015-06-29 21:59:40
● 2015-11-04 10:21:10
● 2016-04-19 06:16:30
○ 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
● 2015-11-04 10:21:10
● 2016-04-19 06:16:30
○ 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
○A162.221.6.132017-04-01 → 2017-04-01 · 3 obs
○ 2016-04-19 06:16:30
● 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
● 2017-04-01 00:40:26
○ 2026-03-11 22:22:08
○A174.128.228.1002015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 21:59:40
○ 2015-11-04 10:21:10
○ 2026-03-11 22:22:08
○ 2015-11-04 10:21:10
○ 2026-03-11 22:22:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn... | - |
✅ Authoritative Response
Server: 203.119.26.1
NS records: c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn, d.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 386ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|