CF1759676368304-tsm20251005092912

IPLIST.NET - 21cto.cn

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21cto.cn checked at 2025-10-05T14:59:28.290Z 1002ms 129/129/129 100% R:16

21cto.cn

MXmxbiz1.qq.com
A103.86.78.2🇭🇰 HGC
A103.86.78.3🇭🇰 HGC
MXmxbiz2.qq.com
A43.154.252.16🇭🇰 Tencent Global
A43.154.252.202🇭🇰 Tencent Global
NSns17.xincache.com
A2402:4e00:1470:2::e 🇨🇳 Tencent-CN
A2402:4e00:1730::e 🇨🇳 Tencent-CN
A1.12.0.4🇨🇳 Tencent Global
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP
A112.80.181.45🇨🇳 China Unicom
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC
A125.94.59.210🇨🇳 China Telecom
A129.211.176.209🇨🇳 Tencent-CN
NSns18.xincache.com
A2402:4e00:111:fff::c 🇨🇳 Tencent-CN
A1.12.0.1🇨🇳 Tencent Global
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP
A112.80.181.111🇨🇳 China Unicom
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC
A129.211.176.239🇨🇳 Tencent-CN
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC
A82.156.105.75🇨🇳 Tencent-CN

cn

NSa.dns.cn
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net

Starts with same word

Starts similarily

AI analysis

21cto.cn points to a single IP: 82.156.105.75.

Other host names, such as 21cto.com, share IP numbers with 21cto.cn.

Two name servers ns17.xincache.com and ns18.xincache.com handle delegation for 21cto.cn.

21cto.cn uses the same name server setup as other domains, for example lshr.com, made-wenzhou.com, zoii.cn, joywin.cc and ctbap.com.

Hosts with eight IP numbers:

ns17.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Hosts with seven IP numbers:

ns18.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

21cto.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

21cto.cn has the same mail server setup as other domains, including huion.cn, ooops.me, lilei.in, hnfjkj.com and zwmobi.com.

21cto.cn shares some mail servers with other domains at least partially, for example leno.cn, yface.cn, cfxair.com and princego.com.

Host names with two IP numbers:

mxbiz1.qq.com points to: 103.86.78.2 and 103.86.78.3

mxbiz2.qq.com points to: 43.154.252.16 and 43.154.252.202

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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OOAYeQl CF johedugfp 2025-10-05