server1.21cn.com - robtex.com
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server1.21cn.com checked at 2026-01-21T04:18:40.108Z 1968ms 50/50/50 100% R:13 allDone:true timedOut:false cfaller:af57b78e/13:5758e1f6:6:19538:-:-:-server1.21cn.com
| MX | mta-ent.21cn.com | ||||||
| A | 183.56.203.132🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC | ||||||
| A | 183.56.205.179🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC | ||||||
21cn.com
| MX | mta.21cn.com | ||||||
| NS | vip3.alidns.com | ||||||
| NS | vip4.alidns.com | ||||||
| A | 240e:980:8100::72d9:250d🇨🇳 CHINA-TELECOM | ||||||
| A | 114.217.37.13🇨🇳 CHINA-TELECOM | ||||||
rank #4921 in the tld
📈 Tranco rank: #7,567
Starts with same word
Starts similarily
AI analysis
server1.21cn.com is handled by a single mail server, mta-ent.21cn.com.
server1.21cn.com has the same mail server setup as other domains, including qingyuan.gd.cn.html2bwww.guangzhou.gd.cn, sika.com.cn, chenhao.21cn.com, wahtong.guangzhou.gd.cn and max1-95.guangzhou.gd.cn.
server1.21cn.com shares some mail servers with other domains, at least partially, such as janking88.com, addlon.net, yamauchi.com.cn, wangtat-logistics.com and dx-ceramics.com.
These mail servers are often used with the mail servers mailcdn.21cn.com.
Host mta-ent.21cn.com resolves to two IPs: 183.56.203.132 and 183.56.205.179.