WWW.RTSAK.COM - preview.21cn.com
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preview.21cn.com checked at 2025-10-19T15:51:29.779Z 463ms 46/46/46 100% R:12preview.21cn.com
| MX | mta-ent.21cn.com | ||||||
| A | 183.56.203.132🇨🇳 CHINANET-Guangzhou-Southbase-IDC | ||||||
| A | 183.56.205.179🇨🇳 CHINANET-Guangzhou-Southbase-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 #3959 in the tld
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189.preview.21cn.com |
Starts with same word
Starts similarily
AI analysis
preview.21cn.com is the parent of 189.preview.21cn.com.
preview.21cn.com is handled by a single mail server, mta-ent.21cn.com.
preview.21cn.com shares the same mail server setup as other domains, for instance kinghoe.net, chnky.com, winta.com, nb-wangtao.com and zfkg.com.
preview.21cn.com shares some mail servers with other domains, at least partially, for instance hdcopper.com, dgkoc.com, sagamobile.com, getwell.cn and xh-metal.com.
these mail servers are commonly used with the mail servers mailcdn.21cn.com.
mta-ent.21cn.com resolves to two IP numbers: 183.56.203.132 and 183.56.205.179.
dbq