21dcw.com - robtex.com
21dcw.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.114.8.60🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| A | 2408:4009:501::17🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.122🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns10.hichina.com | ||||||
| A | 2408:4009:501::18🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.121🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mxdomain.qq.com ⭐ | ||||||
| SOA | dns9.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774518757 | ||||||
Same first word
21dcw.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSdns10.hichina.com2026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 09:32:38
● 2026-03-26 10:01:52
●NSdns9.hichina.com2026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 09:32:38
● 2026-03-26 10:01:52
○NSf1g1ns1.dnspod.net2015-07-13 → 2017-04-09 · 4 obs
● 2017-04-09 23:47:56
○ 2026-02-16 09:32:38
○ 2026-03-26 10:01:52
○NSf1g1ns2.dnspod.net2015-11-25 → 2017-04-09 · 5 obs
● 2015-11-25 22:36:00
● 2017-04-09 23:47:56
○ 2026-02-16 09:32:38
○ 2026-03-26 10:01:52
○A122.114.117.1982015-07-13 → 2016-03-11 · 4 obs
● 2016-03-11 13:29:16
○ 2016-07-04 22:29:32
○ 2026-03-26 10:01:52
●A122.114.8.602026-02-16 → 2026-03-26 · 3 obs
● 2026-02-16 09:32:38
● 2026-03-26 10:01:52
○A122.114.87.1252016-07-04 → 2017-04-09 · 5 obs
● 2016-07-04 22:29:32
● 2017-04-09 23:47:56
○ 2026-02-16 09:32:38
○ 2026-03-26 10:01:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 21dcw.com | dns9.hichina.com, dns10.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.41
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21dcw.com (unsigned zone)
⏱️ Timing
Total: 3589ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.114.8.60 |
| NS | 2 | dns9.hichina.com, dns10.hichina.com |
| MX | 1 | mxdomain.qq.com (pri: 1) |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)
Analysis
IP Addresses
21dcw.com points to IP number: 122.114.8.60.
Other host names, for instance www.361cfw.com share IP numbers with 21dcw.com.
Name Servers
21dcw.com is delegated to two name servers: dns10.hichina.com and dns9.hichina.com.
21dcw.com shares the same name server setup as chvl.cn, 52shijian.com, 0b.pw, zj-wp.org and edfareast.com.
21dcw.com partially shares its name servers with other domains, for example all-my-life.cn, bolder.cn and goagent.com.cn.
Nine IP numbers per host:
dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
Mail Servers
21dcw.com is handled by a single mail server, mxdomain.qq.com.
The mail server setup for 21dcw.com matches that of other domains, for instance liming.hk, txwr.net, xiangs.org, vgooo.com and travalue.com.
21dcw.com shares at least partially some mail servers with other domains, including jtbang.cn, rayll.net, mlook.mobi, hetengxi.com and mzaaa.com.
these mail servers are commonly used with mxbiz1.qq.com and mxbiz2.qq.com.