21891.com - robtex.com
21891.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 168.76.252.64🇿🇦 AS137951168.76.252.0/24 | ||||||
| NS | ns1.22.cn ⭐ | ||||||
| A | 2001:df2:f080:1::5 | ||||||
| A | 61.158.128.10CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| A | 218.98.111.136HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.22.cn | ||||||
| A | 240e:97d:10:1402:0:1:0:1002 | ||||||
| A | 1.193.216.203CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 183.253.57.207CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.61DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.22.cndnsadmin@22.cn serial=1751342724 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
21891.com |
Similar names
DNS History
13 records (3 active, 10 former)
○NSdns.4cun.com2015-06-08 → 2015-06-08 · 3 obs
○ 2015-11-08 00:01:40
○ 2026-03-03 13:21:56
●NSns1.22.cn2026-03-03 → 2026-03-03 · 3 obs
● 2026-03-03 02:04:40
● 2026-03-03 13:21:56
●NSns2.22.cn2026-03-03 → 2026-03-03 · 3 obs
● 2026-03-03 02:04:40
● 2026-03-03 13:21:56
○NSwww.21891.com2015-11-08 → 2016-06-18 · 5 obs
● 2015-11-08 00:01:40
● 2016-06-18 00:09:12
○ 2026-03-03 02:04:40
○ 2026-03-03 13:21:56
○MXio.bouncemx.com2015-11-08 → 2016-06-18 · 4 obs
● 2016-06-18 00:09:12
○ 2026-03-03 02:04:40
○ 2026-03-03 13:21:56
○A103.73.97.2102017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 07:55:38
○ 2026-03-03 02:04:40
○ 2026-03-03 13:21:56
○A123.1.159.122015-06-08 → 2015-06-08 · 3 obs
○ 2015-11-08 00:01:40
○ 2026-03-03 13:21:56
●A168.76.252.642026-03-03 → 2026-03-03 · 3 obs
● 2026-03-03 02:04:40
● 2026-03-03 13:21:56
○A202.74.3.602017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 07:55:38
○ 2026-03-03 02:04:40
○ 2026-03-03 13:21:56
○A70.39.84.2322015-11-08 → 2015-11-08 · 4 obs
● 2015-11-08 00:01:40
○ 2016-02-10 00:35:00
○ 2026-03-03 13:21:56
○A70.39.84.2332016-02-10 → 2016-02-10 · 4 obs
● 2016-02-10 00:35:00
○ 2016-06-18 00:09:12
○ 2026-03-03 13:21:56
○A70.39.84.2422016-06-18 → 2016-06-18 · 4 obs
● 2016-06-18 00:09:12
○ 2017-02-13 07:55:38
○ 2026-03-03 13:21:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| 21891.com | ns2.22.cn, ns1.22.cn | - |
✅ Authoritative Response
Server: 218.98.111.136
NS records: ns2.22.cn, ns1.22.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21891.com (unsigned zone)
⏱️ Timing
Total: 2328ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 168.76.252.64 |
| NS | 2 | ns1.22.cn, ns2.22.cn |
| SOA | 1 | ns1.22.cn dnsadmin.22.cn |
Analysis
IP Addresses
21891.com points to a single IP number: 168.76.252.64.
Other host names, for instance 89gp.com, 39944.com, www.lu666.com, 925777.com and vip17.com share IP numbers with 21891.com.
Name Servers
21891.com is delegated to two name servers: ns1.22.cn and ns2.22.cn.
21891.com uses the same name server setup as other domains, for instance iselse.com, lpqe.cn, dlo.cn, nuha.cc and it57.com.
Host names with four IP numbers:
The host name ns2.22.cn points to: 240e:97d:10:1402:0:1:0:1002, 1.193.216.203, 183.253.57.207 and 211.99.99.61.
Host names with three IP numbers:
The host name ns1.22.cn points to: 2001:df2:f080:1::5, 61.158.128.10 and 218.98.111.136.