2121.cn - robtex.com

2121.cn

DNSSEC⚠️ Not signed
A112.124.0.155🇨🇳 Alibaba-Cloud112.124.0.0/17
NSns1.alidns.com ⭐
A2408:4009:501::1🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.45🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.55🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.205🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.215🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.45🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.55🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.115🇨🇳 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,
A139.224.142.125🇨🇳 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,
NSns2.alidns.com
A2408:4009:501::2🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.46🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.56🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.206🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.216🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.46🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.56🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.116🇨🇳 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,
A139.224.142.126🇨🇳 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,
SOAns1.alidns.comhostmaster@hichina.com 2026-05-28 #9

cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035056539

Same first word

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2121.in
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Similar names

1212.sytes.net
1212.space
1221.in
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2211.cz
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1122.me
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2211.cn
2112.website
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2211.com.cn
2112.online
1122.site
1122.pl
1221.cn
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1122.tech
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1221.org.tw
1122.at
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2211.es
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2211.pl
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2211.eu
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1122.io
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1221.am
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1221.dk
1122.nl
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1221.de
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1221.eu
2112.de
1221.com
1122.eu
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2112.tv
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1122.run
1122.co.jp
1122.ir
2112.pro
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1221.workers.dev
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1122.vip
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1122.dk
1212.bet
2112.one
1212.click
1122.de
2112.com.tw
1212.it
2112.org
1122.im
1122.us
1122.pro
2211.tk
1221.jp
2211.in
2211.ai
1212.pro
1221.online
2211.online
1122.com.cn
1122.fr
1122.com
1212.de
1212.cz
1122.bz
2112.bet
1221.lv
1212.com.cn
1122.store
1212.mn
1122.no
1212.website
1122.ink
1212.pl
1212.tw
2112.marketing
2211.vip
1221.chat
1221.tv
1122.la
1212.co.il
2112.cc
1221.co
1122.ltd
1122.ne.kr
2112.io
1122.lat
2112.us
1221.com.tw
1122.ws
1122.ru

DNS History

9 records (3 active, 6 former)

20162017201820192020202120222023202420252026NSns1.alidns.comns2.alidns.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comA112.124.0.155
○NSdns1.iidns.com2015-10-06 → 2016-01-01 · 5 obs
○ 2015-08-19 20:25:30
● 2015-10-06 22:55:28
● 2016-01-01 00:11:30
○ 2017-03-15 08:38:44
○ 2026-07-18 14:05:44
○NSdns2.iidns.com2015-10-06 → 2016-01-01 · 5 obs
○ 2015-08-19 20:25:30
● 2015-10-06 22:55:28
● 2016-01-01 00:11:30
○ 2017-03-15 08:38:44
○ 2026-07-18 14:05:44
○NSdns3.iidns.com2015-10-06 → 2016-01-01 · 5 obs
○ 2015-08-19 20:25:30
● 2015-10-06 22:55:28
● 2016-01-01 00:11:30
○ 2017-03-15 08:38:44
○ 2026-07-18 14:05:44
○NSdns4.iidns.com2015-10-06 → 2016-01-01 · 5 obs
○ 2015-08-19 20:25:30
● 2015-10-06 22:55:28
● 2016-01-01 00:11:30
○ 2017-03-15 08:38:44
○ 2026-07-18 14:05:44
○NSdns5.iidns.com2015-10-06 → 2016-01-01 · 5 obs
○ 2015-08-19 20:25:30
● 2015-10-06 22:55:28
● 2016-01-01 00:11:30
○ 2017-03-15 08:38:44
○ 2026-07-18 14:05:44
○NSdns6.iidns.com2015-08-19 → 2016-01-01 · 4 obs
● 2015-08-19 20:25:30
● 2016-01-01 00:11:30
○ 2017-03-15 08:38:44
○ 2026-07-18 14:05:44
●NSns1.alidns.com2026-07-09 → 2026-07-18 · 3 obs
○ 2017-03-15 08:38:44
● 2026-07-09 09:30:56
● 2026-07-18 14:05:44
●NSns2.alidns.com2026-07-09 → 2026-07-18 · 3 obs
○ 2017-03-15 08:38:44
● 2026-07-09 09:30:56
● 2026-07-18 14:05:44
●A112.124.0.1552015-08-19 → 2026-07-18 · 2 obs
● 2015-08-19 20:25:30
● 2026-07-18 14:05:44

🔍 DNS Trace

Analysis

IP Addresses

2121.cn has exactly one IP address — 112.124.0.155.

Host names like www.2121.com.cn are further examples that share IP numbers with 2121.cn.

Name Servers

Two name servers handle the delegation for 2121.cn: ns1.alidns.com and ns2.alidns.com.

The name server configuration of 2121.cn is shared with other domains, for instance cunion.net, xiaoyezi8.com, aa2012.com and two others.

2121.cn has at least partial name server overlap with other domains, such as peizan.cn, hmix.cn, b5bjwg8cd4f1.top and two others.

ns7.alidns.com, ns8.alidns.com and dns15.hichina.com — plus 7 other name servers — are commonly paired with these name servers.

Hosts with 9 IP addresses each:

ns1.alidns.com resolves to 39.96.153.45, 39.96.153.55 and 47.118.199.205 among others, with 6 other IP addresses in total.

ns2.alidns.com resolves to 39.96.153.46, 39.96.153.56 and 47.118.199.206 among others, with 6 other IP addresses in total.