DNSWHOIS.INFO - 21cto.cn
Search for IP or hostnames:
21cto.cn checked at 2025-10-18T05:55:00.847Z 579ms 129/129/129 100% R:1321cto.cn
| MX | mxbiz1.qq.com | ||||||
| A | 103.86.78.2🇭🇰 HGC | ||||||
| A | 103.86.78.3🇭🇰 HGC | ||||||
| MX | mxbiz2.qq.com | ||||||
| A | 43.154.252.16🇭🇰 Tencent Global | ||||||
| A | 43.154.252.202🇭🇰 Tencent Global | ||||||
| NS | ns17.xincache.com | ||||||
| A | 2402:4e00:1470:2::e 🇨🇳 Tencent-CN | ||||||
| A | 2402:4e00:1730::e 🇨🇳 Tencent-CN | ||||||
| A | 1.12.0.4🇨🇳 Tencent Global | ||||||
| A | 36.155.149.180🇨🇳 CMNET-Jiangsu-AP | ||||||
| A | 112.80.181.45🇨🇳 China Unicom | ||||||
| A | 117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC | ||||||
| A | 125.94.59.210🇨🇳 China Telecom | ||||||
| A | 129.211.176.209🇨🇳 Tencent-CN | ||||||
| NS | ns18.xincache.com | ||||||
| A | 2402:4e00:111:fff::c 🇨🇳 Tencent-CN | ||||||
| A | 1.12.0.1🇨🇳 Tencent Global | ||||||
| A | 36.155.149.176🇨🇳 CMNET-Jiangsu-AP | ||||||
| A | 112.80.181.111🇨🇳 China Unicom | ||||||
| A | 117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC | ||||||
| A | 129.211.176.239🇨🇳 Tencent-CN | ||||||
| A | 163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC | ||||||
| A | 82.156.105.75🇨🇳 Tencent-CN | ||||||
cn
| NS | a.dns.cn | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.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