3i51com.cn - robtex.com
3i51com.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=2034609633 | ||||||
Same first word
3i51com.cn |
DNS History
6 records (0 active, 6 former)
○NSdm1.longmingdns.com2026-03-30 → 2026-03-30 · 1 obs
○ 2026-03-30 04:19:14
○NSdm2.longmingdns.com2026-03-30 → 2026-03-30 · 1 obs
○ 2026-03-30 04:19:14
○NSf1g1ns1.dnspod.net2017-02-24 → 2017-02-25 · 4 obs
● 2017-02-24 05:21:44
● 2017-02-25 10:07:36
○ 2020-02-29 17:09:06
○ 2026-03-30 04:19:14
● 2017-02-25 10:07:36
○ 2020-02-29 17:09:06
○ 2026-03-30 04:19:14
○NSf1g1ns2.dnspod.net2017-02-24 → 2017-02-24 · 3 obs
● 2017-02-24 05:21:44
○ 2020-02-29 17:09:06
○ 2026-03-30 04:19:14
○ 2020-02-29 17:09:06
○ 2026-03-30 04:19:14
○A38.181.134.322026-03-30 → 2026-03-30 · 1 obs
○ 2026-03-30 04:19:14
○A45.117.195.2342017-02-25 → 2017-02-25 · 3 obs
● 2017-02-25 10:07:36
○ 2020-02-29 17:09:06
○ 2026-03-30 04:19:14
○ 2020-02-29 17:09:06
○ 2026-03-30 04:19:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
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: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|