21cn.com - robtex.com
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21cn.com checked at 2026-01-18T13:56:02.933Z 581ms 131/131/131 100% R:16 allDone:true timedOut:false cfaller:159a0895/30:3107e91a:6:16727:-:-:-21cn.com
| MX | mta.21cn.com | ||||||
| A | 14.18.69.193🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC | ||||||
| NS | vip3.alidns.com | ||||||
| A | 2408:4009:500::3🇨🇳 IP-Max | ||||||
| A | 8.212.93.3🇭🇰 Alibaba_Cloud_SEC | ||||||
| A | 140.205.1.5🇨🇳 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.32.210🇸🇬 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.40.136🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.73.26🇸🇬 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.80.10🇸🇬 CNNIC-ALIBABA-CN-NET-AP | ||||||
| NS | vip4.alidns.com | ||||||
| A | 2408:4009:500::4🇨🇳 IP-Max | ||||||
| A | 8.212.93.4🇭🇰 Alibaba_Cloud_SEC | ||||||
| A | 140.205.1.6🇨🇳 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.32.211🇸🇬 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.40.137🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.73.27🇸🇬 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.80.11🇸🇬 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 240e:980:8100::72d9:250d🇨🇳 CHINA-TELECOM | ||||||
| A | 114.217.37.13🇨🇳 CHINA-TELECOM | ||||||
com
rank #4939 in the tld
📈 Tranco rank: #7,567
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Starts with same word
Starts similarily
AI analysis
21cn.com is a parent of nfcf.21cn.com, pop-189ent.21cn.com, mpay.21cn.com, gdtelind.21cn.com, p.21cn.com and hundreds of other host names.
21cn.com points to two IPs: 240e:980:8100::72d9:250d and 114.217.37.13.
Other host names for instance www.21cn.com and dlife.cn share IP numbers with 21cn.com.
Two name servers vip3.alidns.com and vip4.alidns.com are delegated to 21cn.com.
21cn.com uses the same name server configuration as other domains, such as ouou.com, baoying.com, nctc.cn, id315.cn and boardmix.com.
21cn.com at least partially shares name servers with other domains, including onemicroworld.com, licolico.cn and ctripqa.com.
Host names with seven IP numbers:
The host name vip3.alidns.com points to 2408:4009:500::3, 8.212.93.3, 140.205.1.5, 170.33.32.210, 170.33.40.136, 170.33.73.26 and 170.33.80.10.
The host name vip4.alidns.com points to 2408:4009:500::4, 8.212.93.4, 140.205.1.6, 170.33.32.211, 170.33.40.137, 170.33.73.27 and 170.33.80.11.
Pattern: seven IP numbers per host, each list increases by 3.
21cn.com is handled by a single mail server, mta.21cn.com.
21cn.com shares the same mail server setup as other domains, including cdnns4.21cn.com, cdnns2.21cn.com, 21cn.net, vip.21cn.com and cdnns5.21cn.com.
21cn.com shares some mail servers with other domains, for instance cdn.21cn.com and news.cdn.21cn.com.
these mail servers are commonly used alongside the mail servers mta2.21cn.com.
mta.21cn.com points to one IP number: 14.18.69.193.