251171.cn - robtex.com
251171.cn
| CNAME | 3300bei2.cdn.51ddos.com | ||||||
| CNAME | 3300bei2.cdn.91ddos.com | ||||||
| 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 | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035160919 | ||||||
Same first word
251171.cn |
Similar names
711521.com |
112751.com |
111257.com |
511172.com |
121517.com |
111725.com |
215117.cn |
112751.vip |
121715.cn |
711512.com |
752111.com |
751211.com |
172151.com |
DNS History
11 records (7 active, 4 former)
●NSns1.myhostadmin.net2026-05-19 → 2026-08-09 · 2 obs
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
● 2026-08-09 21:47:58
●NSns2.myhostadmin.net2026-05-19 → 2026-08-09 · 2 obs
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
● 2026-08-09 21:47:58
●NSns3.myhostadmin.net2026-05-19 → 2026-08-09 · 2 obs
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
● 2026-08-09 21:47:58
●NSns4.myhostadmin.net2026-05-19 → 2026-08-09 · 2 obs
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
● 2026-08-09 21:47:58
●NSns5.myhostadmin.net2026-05-19 → 2026-08-09 · 2 obs
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
● 2026-08-09 21:47:58
●NSns6.myhostadmin.net2026-05-19 → 2026-08-09 · 2 obs
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
● 2026-08-09 21:47:58
○A103.7.31.1882015-12-21 → 2016-07-16 · 5 obs
○ 2015-10-20 18:51:02
● 2015-12-21 23:32:36
● 2016-07-16 04:23:58
○ 2026-05-19 12:56:14
○ 2026-08-09 21:47:58
● 2015-12-21 23:32:36
● 2016-07-16 04:23:58
○ 2026-05-19 12:56:14
○ 2026-08-09 21:47:58
○A121.14.125.522015-05-22 → 2015-10-20 · 4 obs
● 2015-05-22 00:25:16
● 2015-10-20 18:51:02
○ 2015-12-21 23:32:36
○ 2026-08-09 21:47:58
● 2015-10-20 18:51:02
○ 2015-12-21 23:32:36
○ 2026-08-09 21:47:58
●CNAME3300bei2.cdn.51ddos.com2026-05-19 → 2026-08-09 · 3 obs
○ 2016-07-16 04:23:58
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
● 2026-05-19 12:56:14
● 2026-08-09 21:47:58
○CNAMEaps0550.qq.com2015-12-21 → 2016-07-16 · 5 obs
○ 2015-05-22 00:25:16
● 2015-12-21 23:32:36
● 2016-07-16 04:23:58
○ 2026-05-19 12:56:14
○ 2026-08-09 21:47:58
● 2015-12-21 23:32:36
● 2016-07-16 04:23:58
○ 2026-05-19 12:56:14
○ 2026-08-09 21:47:58
○CNAMEid.qzone.qq.com2015-05-22 → 2016-07-16 · 4 obs
● 2015-05-22 00:25:16
● 2016-07-16 04:23:58
○ 2026-05-19 12:56:14
○ 2026-08-09 21:47:58
● 2016-07-16 04:23:58
○ 2026-05-19 12:56:14
○ 2026-08-09 21:47:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 251171.cn | ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net, ns4.myhostadmin.net... | - |
✅ Authoritative Response
Server:61.172.183.77
NS records: ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net, ns4.myhostadmin.net, ns5.myhostadmin.net, ns6.myhostadmin.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 251171.cn (unsigned zone)
⏱️ Timing
Total: 1946ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ns3.myhostadmin.net, ns5.myhostadmin.net... |
| CNAME | 1 | 3300bei2.cdn.51ddos.com |
| SOA | 1 | ns1.myhostadmin.net dnsconct.myhostadmin |