IPLIST.NET - challenge-21c.com
Search for IP or hostnames:
challenge-21c.com checked at 2025-09-17T14:23:50.810Z 247ms 120/120/120 100% R:16challenge-21c.com
| NS | vip3.alidns.com | ||||||
| A | 2408:4009:500::3 🇨🇳 Alibaba | ||||||
| A | 8.212.93.3🇭🇰 ASEPL-AS-AP | ||||||
| A | 140.205.1.5🇨🇳 Alibaba | ||||||
| A | 170.33.32.210🇸🇬 Alibaba | ||||||
| A | 170.33.40.136🇸🇬 ASEPL-AS-AP | ||||||
| A | 170.33.73.26🇸🇬 Alibaba | ||||||
| A | 170.33.80.10🇸🇬 Alibaba | ||||||
| NS | vip4.alidns.com | ||||||
| A | 2408:4009:500::4 🇨🇳 Alibaba | ||||||
| A | 8.212.93.4🇭🇰 ASEPL-AS-AP | ||||||
| A | 140.205.1.6🇨🇳 Alibaba | ||||||
| A | 170.33.32.211🇸🇬 Alibaba | ||||||
| A | 170.33.40.137🇸🇬 ASEPL-AS-AP | ||||||
| A | 170.33.73.27🇸🇬 Alibaba | ||||||
| A | 170.33.80.11🇸🇬 Alibaba | ||||||
| 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 | ||||||
com
Up
pop.challenge-21c.com |
Starts with same word
challenge-21c.co.jp |
challenge-21c.com |
Starts similarily
challenge-21c.co.jp |
challenge-21c.com |
AI analysis
challenge-21c.com is the parent of pop.challenge-21c.com.
challenge-21c.com is delegated to two name servers vip3.alidns.com and vip4.alidns.com.
challenge-21c.com shares the same name server setup as other domains, for instance tapsvc.com, uodoo.cn, vdlink.com, unicompayment.com and ztn.com.
challenge-21c.com at least partially shares name servers with other domains, for instance wxianlai.com, tripcdn.cn, huya.info, xylrs.com and tedu.cn.
Seven IP numbers per 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
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
Two mail servers handle challenge-21c.com: mxbiz1.qq.com and mxbiz2.qq.com.
challenge-21c.com shares the same mail server setup as other domains, for instance ccer.pku.edu.cn, jgshome.com, qutj.com, bjtdty.com and gamebrain.io.
challenge-21c.com shares at least partially some mail servers with other domains, including happytoon.cn, meinaide.com and fgloka.com.
Host names with two IP numbers:
The host name mxbiz1.qq.com points to 103.86.78.2 and 103.86.78.3; the host name mxbiz2.qq.com points to 43.154.252.16 and 43.154.252.202.