2006.21cn.com - robtex.com

2006.21cn.com

DNSSEC⚠️ Not signed
MXmta-ent.21cn.com ⭐
A183.56.203.132🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC183.56.192.0/20 CloudVsp.Inc-HYC-double - GZNFJDW Network unicast
A183.56.205.179🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC183.56.192.0/20 CloudVsp.Inc-HYC-double - GZNFJDW Network unicast

21cn.com

DNSSEC⚠️ Not signed
A240e:980:8100::72d9:250d🇨🇳 CHINANET-BACKBONE240e::/20 CHINANET-IPv6-ROUTE
A114.217.37.13🇨🇳 CHINANET-BACKBONE114.216.0.0/13 China Telecom Network
NSvip3.alidns.com ⭐
NSvip4.alidns.com
MXmta.21cn.com ⭐
TXTv=spf1 include:mail-spf.21cn.com include:mail01-spf.21cn.com include:mail02-s...
SOAvip3.alidns.comhostmaster@hichina.com 2025-12-11 #7
WOT: SAFE (53/100)
rank #10868 globally
rank #5316 in the tld
WOT: SUSPICIOUS (52/100)
📈 Tranco rank: #8,550

Same first word

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DNS History

37 records (1 active, 36 former)

20162017201820192020202120222023202420252026MXmta-ent.21cn.comA115.231.128.181115.231.128.186183.136.218.183183.136.218.184183.136.218.220183.136.218.221183.136.233.184183.136.233.185203.130.53.126203.130.53.14203.130.53.15203.130.53.18203.130.55.109203.130.60.48203.130.60.49203.130.60.50203.130.61.92220.243.193.127220.243.230.17220.243.235.201220.243.237.15458.222.17.358.222.17.4858.222.24.3658.222.24.4058.222.24.4861.200.88.5963.159.216.112CNAME08911.xdwscache.ourwebpic.com2006.cdnx.21cn.com21sj.xdwscache.ourwebpic.comalldomain.21cn.com.fastcdn.comwsall.21cn.com.cdn20.comxnop029.tlgslb.comxnop036.fastcdn.comxnop036.tlgslb.com
●MXmta-ent.21cn.com2026-03-10 → 2026-05-13 · 2 obs
● 2026-03-10 21:21:34
● 2026-05-13 14:43:52
○A115.231.128.1812016-01-09 → 2016-02-01 · 5 obs
○ 2015-11-12 17:48:00
● 2016-01-09 19:09:24
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○A115.231.128.1862016-01-09 → 2016-02-01 · 5 obs
○ 2015-11-12 17:48:00
● 2016-01-09 19:09:24
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○A183.136.218.1832016-01-09 → 2016-02-01 · 5 obs
○ 2015-11-12 17:48:00
● 2016-01-09 19:09:24
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○A183.136.218.1842016-01-09 → 2016-02-01 · 5 obs
○ 2015-11-12 17:48:00
● 2016-01-09 19:09:24
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○A183.136.218.2202016-01-09 → 2016-02-01 · 5 obs
○ 2015-11-12 17:48:00
● 2016-01-09 19:09:24
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○A183.136.218.2212016-01-09 → 2016-02-01 · 5 obs
○ 2015-11-12 17:48:00
● 2016-01-09 19:09:24
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○A183.136.233.1842015-11-12 → 2015-11-12 · 4 obs
○ 2015-10-17 20:09:38
● 2015-11-12 17:48:00
○ 2016-01-09 19:09:24
○ 2026-05-13 14:43:52
○A183.136.233.1852015-11-12 → 2015-11-12 · 4 obs
○ 2015-10-17 20:09:38
● 2015-11-12 17:48:00
○ 2016-01-09 19:09:24
○ 2026-05-13 14:43:52
○A203.130.53.1262016-06-25 → 2016-07-20 · 5 obs
○ 2016-06-05 14:06:18
● 2016-06-25 07:14:44
● 2016-07-20 12:28:36
○ 2016-08-11 19:02:42
○ 2026-05-13 14:43:52
○A203.130.53.142016-02-16 → 2016-06-05 · 8 obs
○ 2016-02-01 22:45:00
● 2016-02-16 22:01:58
● 2016-03-07 06:26:52
○ 2016-03-21 00:51:58
● 2016-03-24 22:31:18
● 2016-06-05 14:06:18
○ 2016-06-25 07:14:44
○ 2026-05-13 14:43:52
○A203.130.53.152016-02-16 → 2016-06-05 · 8 obs
○ 2016-02-01 22:45:00
● 2016-02-16 22:01:58
● 2016-03-07 06:26:52
○ 2016-03-21 00:51:58
● 2016-03-24 22:31:18
● 2016-06-05 14:06:18
○ 2016-06-25 07:14:44
○ 2026-05-13 14:43:52
○A203.130.53.182016-02-16 → 2016-06-05 · 8 obs
○ 2016-02-01 22:45:00
● 2016-02-16 22:01:58
● 2016-03-07 06:26:52
○ 2016-03-21 00:51:58
● 2016-03-24 22:31:18
● 2016-06-05 14:06:18
○ 2016-06-25 07:14:44
○ 2026-05-13 14:43:52
○A203.130.55.1092016-12-27 → 2016-12-27 · 4 obs
○ 2016-11-28 04:01:26
● 2016-12-27 12:16:28
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A203.130.60.482016-12-27 → 2016-12-27 · 4 obs
○ 2016-11-28 04:01:26
● 2016-12-27 12:16:28
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A203.130.60.492016-12-27 → 2016-12-27 · 4 obs
○ 2016-11-28 04:01:26
● 2016-12-27 12:16:28
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A203.130.60.502016-12-27 → 2016-12-27 · 4 obs
○ 2016-11-28 04:01:26
● 2016-12-27 12:16:28
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A203.130.61.922016-12-27 → 2016-12-27 · 4 obs
○ 2016-11-28 04:01:26
● 2016-12-27 12:16:28
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A220.243.193.1272016-12-27 → 2016-12-27 · 4 obs
○ 2016-11-28 04:01:26
● 2016-12-27 12:16:28
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A220.243.230.172016-10-03 → 2016-10-03 · 4 obs
○ 2016-09-14 13:54:42
● 2016-10-03 12:34:14
○ 2016-11-28 04:01:26
○ 2026-05-13 14:43:52
○A220.243.235.2012016-08-11 → 2017-03-11 · 5 obs
○ 2016-07-20 12:28:36
● 2016-08-11 19:02:42
● 2017-03-11 09:38:24
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A220.243.237.1542016-08-11 → 2017-03-11 · 8 obs
○ 2016-07-20 12:28:36
● 2016-08-11 19:02:42
● 2016-09-14 13:54:42
○ 2016-10-03 12:34:14
● 2016-11-28 04:01:26
● 2017-03-11 09:38:24
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A58.222.17.32015-05-21 → 2015-05-21 · 3 obs
● 2015-05-21 14:27:50
○ 2016-12-27 12:16:28
○ 2026-05-13 14:43:52
○A58.222.17.482015-05-21 → 2015-05-21 · 3 obs
● 2015-05-21 14:27:50
○ 2016-12-27 12:16:28
○ 2026-05-13 14:43:52
○A58.222.24.362015-10-16 → 2015-10-17 · 5 obs
○ 2015-05-21 14:27:50
● 2015-10-16 05:07:00
● 2015-10-17 20:09:38
○ 2015-11-12 17:48:00
○ 2026-05-13 14:43:52
○A58.222.24.402015-05-21 → 2015-05-21 · 3 obs
● 2015-05-21 14:27:50
○ 2016-12-27 12:16:28
○ 2026-05-13 14:43:52
○A58.222.24.482015-10-16 → 2015-10-17 · 5 obs
○ 2015-05-21 14:27:50
● 2015-10-16 05:07:00
● 2015-10-17 20:09:38
○ 2015-11-12 17:48:00
○ 2026-05-13 14:43:52
○A61.200.88.592016-12-27 → 2016-12-27 · 4 obs
○ 2016-11-28 04:01:26
● 2016-12-27 12:16:28
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○A63.159.216.1122016-03-21 → 2016-03-21 · 4 obs
○ 2016-03-07 06:26:52
● 2016-03-21 00:51:58
○ 2016-03-24 22:31:18
○ 2026-05-13 14:43:52
○CNAME08911.xdwscache.ourwebpic.com2016-02-16 → 2016-07-20 · 5 obs
○ 2016-02-01 22:45:00
● 2016-02-16 22:01:58
● 2016-07-20 12:28:36
○ 2016-08-11 19:02:42
○ 2026-05-13 14:43:52
○CNAME2006.cdnx.21cn.com2015-05-21 → 2017-09-14 · 4 obs
● 2015-05-21 14:27:50
● 2017-09-14 12:38:28
○ 2026-03-10 21:21:34
○ 2026-05-13 14:43:52
○CNAME21sj.xdwscache.ourwebpic.com2016-08-11 → 2017-03-11 · 8 obs
○ 2016-07-20 12:28:36
● 2016-08-11 19:02:42
● 2016-09-14 13:54:42
○ 2016-09-17 23:31:20
● 2016-10-03 12:34:14
● 2017-03-11 09:38:24
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○CNAMEalldomain.21cn.com.fastcdn.com2015-10-16 → 2016-02-01 · 7 obs
○ 2015-05-21 14:27:50
● 2015-10-16 05:07:00
○ 2015-10-16 05:09:04
● 2015-10-17 20:09:38
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○CNAMEwsall.21cn.com.cdn20.com2016-02-16 → 2017-03-11 · 8 obs
○ 2016-02-01 22:45:00
● 2016-02-16 22:01:58
● 2016-09-14 13:54:42
○ 2016-09-17 23:31:20
● 2016-10-03 12:34:14
● 2017-03-11 09:38:24
○ 2017-05-24 02:40:04
○ 2026-05-13 14:43:52
○CNAMExnop029.tlgslb.com2016-01-09 → 2016-02-01 · 5 obs
○ 2015-11-12 17:48:00
● 2016-01-09 19:09:24
● 2016-02-01 22:45:00
○ 2016-02-16 22:01:58
○ 2026-05-13 14:43:52
○CNAMExnop036.fastcdn.com2015-10-16 → 2015-11-12 · 7 obs
○ 2015-05-21 14:27:50
● 2015-10-16 05:07:00
○ 2015-10-16 05:09:04
● 2015-10-17 20:09:38
● 2015-11-12 17:48:00
○ 2016-01-09 19:09:24
○ 2026-05-13 14:43:52
○CNAMExnop036.tlgslb.com2015-10-16 → 2015-11-12 · 7 obs
○ 2015-05-21 14:27:50
● 2015-10-16 05:07:00
○ 2015-10-16 05:09:04
● 2015-10-17 20:09:38
● 2015-11-12 17:48:00
○ 2016-01-09 19:09:24
○ 2026-05-13 14:43:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21cn.comvip3.alidns.com, vip4.alidns.com22 records

✅ Authoritative Response

Server:121.40.6.164

NS records: vip3.alidns.com, vip4.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21cn.com (unsigned zone)

⏱️ Timing

Total: 1106ms | Queries: -

📄 Records

TypeCountSample Data
MX1mta-ent.21cn.com (pri: 10)

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

Analysis

Mail Servers

The mail server for 2006.21cn.com is mta-ent.21cn.com.

2006.21cn.com shares the same mail server setup as other domains, including gz-wacc.com, jimmysuzhou.com, sports.szptt.net.cn, bluesun.szptt.net.cn and backup.shantou.gd.cn.

2006.21cn.com shares some mail servers with other domains, including transmithk.com, cpdworkshop.com.hk, avon.com.cn, suhuashipping.com and scibest.com.

These mail servers are often used with the mail servers mailcdn.21cn.com.

Host name mta-ent.21cn.com resolves to two IPs: 183.56.203.132 and 183.56.205.179.