com51.cn - robtex.com
com51.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.229.73.194🇺🇸 ENZU-GLOBAL192.229.64.0/20 192.229.64.0/20 | ||||||
| NS | ns7.alidns.com ⭐ | ||||||
| A | 2408:4009:501::3🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.47🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.57🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.207🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.217🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.47🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.57🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.117🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.127🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | ns8.alidns.com | ||||||
| A | 2408:4009:501::4🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.48🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.58🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.208🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.218🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.48🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.58🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.101🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.118🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | ns7.alidns.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
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=2034546407 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
○NSns1.eedns.com2015-06-04 → 2016-01-17 · 4 obs
● 2016-01-17 09:53:56
○ 2016-04-14 14:00:28
○ 2026-03-24 13:36:46
●NSns7.alidns.com2026-02-25 → 2026-03-24 · 3 obs
● 2026-02-25 05:54:12
● 2026-03-24 13:36:46
●NSns8.alidns.com2026-02-25 → 2026-03-24 · 3 obs
● 2026-02-25 05:54:12
● 2026-03-24 13:36:46
○A103.47.249.62015-06-04 → 2015-06-04 · 3 obs
○ 2026-02-25 05:54:12
○ 2026-03-24 13:36:46
●A192.229.73.1942026-02-25 → 2026-03-24 · 3 obs
● 2026-02-25 05:54:12
● 2026-03-24 13:36:46
○A45.114.11.622015-10-21 → 2015-10-21 · 4 obs
● 2015-10-21 22:40:14
○ 2016-04-14 14:00:28
○ 2026-03-24 13:36:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, a.dns.cn, b.dns.cn, c.dns.cn... | - |
| com51.cn | ns7.alidns.com, ns8.alidns.com | - |
✅ Authoritative Response
Server:139.224.142.118
NS records: ns7.alidns.com, ns8.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com51.cn (unsigned zone)
⏱️ Timing
Total: 4799ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.229.73.194 |
| NS | 2 | ns7.alidns.com, ns8.alidns.com |
| SOA | 1 | ns7.alidns.com hostmaster.hichina.com |
Analysis
IP Addresses
com51.cn points to a single IP number: 192.229.73.194.
Name Servers
Delegation for com51.cn rests with two name servers, ns7.alidns.com and ns8.alidns.com.
com51.cn shares the same name server setup as other domains, including shtongji.net, oloevr.com, hb(0x73686974)ai.com, 99ky55.com and lovetisiihko.top.
com51.cn at least partially shares name servers with other domains, for instance wifi-on.com, marro.us, 173hk.com, xitaerjy.com and pu61.com.
These name servers are commonly used alongside expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
ns7.alidns.com points to: 2408:4009:501::3, 39.96.153.47, 39.96.153.57, 47.118.199.207, 47.118.199.217, 120.76.107.47, 120.76.107.57, 139.224.142.117 and 139.224.142.127.
ns8.alidns.com points to: 2408:4009:501::4, 39.96.153.48, 39.96.153.58, 47.118.199.208, 47.118.199.218, 120.76.107.48, 120.76.107.58, 139.224.142.101 and 139.224.142.118.