colb.cn - robtex.com

colb.cn

DNSSEC⚠️ Not signed
A154.216.36.155🇭🇰 POWERLINE-HK154.216.32.0/19 Digital Core Technology Co., Ltd
NSns1.nowcndns.com ⭐
A1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network
A218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
A218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
NSns2.nowcndns.com
A61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network
PTR11.128.158.61.ha.cnc
A183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)
A211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object
SOAns1.nowcndns.comadmin@nowcndns.com serial=1774498332

cn

DNSSEC🔒 Signed (DS record present)
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=2034673222

Same first word

colb.de
colb.finance
colb.it
colb.dk
colb.us
colb.com
colb.info
colb.cn

Similar names

bloc.asia
obcl.ca
cobl.us
bocl.com.hk
lcbo.org
bloc.it
bocl.in
bocl.ru
locb.com
locb.net
cbol.net
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bocl.net
obcl.com
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locb.info
clob.cl
bolc.jp
bloc.be
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bolc.net
bocl.ca
bocl.com
bloc.no
clob.cz
cobl.dk
bloc.kr
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lcbo.me
clob.org
obcl.edu
cobl.info
cbol.com
cobl.org
blco.azurewebsites.net
blco.co.uk
clbo.ru
bloc.one
bloc.com
bolc.org
bloc.agency
lobc.wpmudev.host
clob.net
bloc.com.tw
lbco.cn
bloc.co
bloc.com.ua
clob.com
bloc.by
oblc.org
bloc.org
bloc.vg
bloc.nl
lcbo.com
oblc.net
cobl.ru
bolc.cn
obcl.net
bcol.co.uk
bolc.co.uk
clob.fun
lcob.org
bolc.be
olbc.org
locb.su
lcbo.de
bolc.com
blco.org
bocl.gov.ma
bloc.at
bloc.ch
bloc.cat
bloc.media
bloc.cl
bloc.money
bloc.io
lbco.net
bloc.black
lcbo.ca
lcbo.net
bloc.fr
bloc.solutions
bloc.ro
blco.net
bloc.archi
cobl.com
obcl.io
bloc.net
bcol.ru
bloc.tech
bloc.ws
lbco.de
bloc.eu
bloc.cafe
bloc.jp
obcl.com.br
lcbo.co
bloc.ru
bloc.es
bloc.in
clob.cn
oblc.ru
bcol.com
oblc.com
olbc.be
locb.org
bolc.ru
clob.co.uk
bloc.wiki
bocl.org
blco.de
blco.ir
lbco.my

DNS History

16 records (3 active, 13 former)

20162017201820192020202120222023202420252026NSns1.nowcndns.comns2.nowcndns.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.360dns.netns1.dnsdun.comns1.dnsdun.netns1.eedns.comns2.360dns.netns2.eedns.comA154.216.36.1551.1.1.1108.187.145.10123.245.200.12223.88.161.12968.64.175.204
○NSf1g1ns1.dnspod.net2016-06-25 → 2016-06-25 · 4 obs
○ 2016-02-29 08:41:34
● 2016-06-25 18:41:28
○ 2016-11-24 04:03:38
○ 2026-04-15 12:49:50
○NSf1g1ns2.dnspod.net2016-06-25 → 2016-06-25 · 4 obs
○ 2016-02-29 08:41:34
● 2016-06-25 18:41:28
○ 2016-11-24 04:03:38
○ 2026-04-15 12:49:50
○NSns1.360dns.net2016-02-29 → 2016-02-29 · 4 obs
○ 2015-11-10 07:32:30
● 2016-02-29 08:41:34
○ 2016-06-25 18:41:28
○ 2026-04-15 12:49:50
○NSns1.dnsdun.com2015-11-10 → 2015-11-10 · 3 obs
● 2015-11-10 07:32:30
○ 2016-02-29 08:41:34
○ 2026-04-15 12:49:50
○NSns1.dnsdun.net2015-11-10 → 2015-11-10 · 3 obs
● 2015-11-10 07:32:30
○ 2016-02-29 08:41:34
○ 2026-04-15 12:49:50
○NSns1.eedns.com2016-11-24 → 2016-12-03 · 5 obs
○ 2016-06-25 18:41:28
● 2016-11-24 04:03:38
● 2016-12-03 07:01:26
○ 2026-03-27 08:41:40
○ 2026-04-15 12:49:50
●NSns1.nowcndns.com2026-03-27 → 2026-04-15 · 3 obs
○ 2016-12-03 07:01:26
● 2026-03-27 08:41:40
● 2026-04-15 12:49:50
○NSns2.360dns.net2016-02-29 → 2016-02-29 · 4 obs
○ 2015-11-10 07:32:30
● 2016-02-29 08:41:34
○ 2016-06-25 18:41:28
○ 2026-04-15 12:49:50
○NSns2.eedns.com2016-11-24 → 2016-12-03 · 5 obs
○ 2016-06-25 18:41:28
● 2016-11-24 04:03:38
● 2016-12-03 07:01:26
○ 2026-03-27 08:41:40
○ 2026-04-15 12:49:50
●NSns2.nowcndns.com2026-03-27 → 2026-04-15 · 3 obs
○ 2016-12-03 07:01:26
● 2026-03-27 08:41:40
● 2026-04-15 12:49:50
○A1.1.1.12017-09-21 → 2017-09-21 · 4 obs
○ 2016-12-03 07:01:26
● 2017-09-21 00:58:56
○ 2026-03-27 08:41:40
○ 2026-04-15 12:49:50
○A108.187.145.1012016-11-24 → 2016-12-03 · 5 obs
○ 2016-06-25 18:41:28
● 2016-11-24 04:03:38
● 2016-12-03 07:01:26
○ 2026-03-27 08:41:40
○ 2026-04-15 12:49:50
●A154.216.36.1552026-03-27 → 2026-04-15 · 3 obs
○ 2017-09-21 00:58:56
● 2026-03-27 08:41:40
● 2026-04-15 12:49:50
○A23.245.200.1222016-02-29 → 2016-02-29 · 4 obs
○ 2015-11-10 07:32:30
● 2016-02-29 08:41:34
○ 2016-06-25 18:41:28
○ 2026-04-15 12:49:50
○A23.88.161.1292016-06-25 → 2016-06-25 · 4 obs
○ 2016-02-29 08:41:34
● 2016-06-25 18:41:28
○ 2016-11-24 04:03:38
○ 2026-04-15 12:49:50
○A68.64.175.2042015-11-10 → 2015-11-10 · 3 obs
● 2015-11-10 07:32:30
○ 2016-02-29 08:41:34
○ 2026-04-15 12:49:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
colb.cnns1.nowcndns.com, ns2.nowcndns.com-

✅ Authoritative Response

Server:61.158.128.11

NS records: ns1.nowcndns.com, ns2.nowcndns.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at colb.cn: Error: DNS query timeout: 203.119.29.1 for DS colb.cn

⏱️ Timing

Total: 4698ms | Queries: -

📄 Records

TypeCountSample Data
A1154.216.36.155
NS2ns1.nowcndns.com, ns2.nowcndns.com
SOA1ns1.nowcndns.com admin.nowcndns.com

Analysis

IP Addresses

colb.cn points to a single IP number: 154.216.36.155.

Other host names, for instance bpci.cn, share IP numbers with colb.cn.

Name Servers

colb.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.

colb.cn shares the same name server setup as other domains, for example 110ay.cn, xftzm.cn, y279.cn, zhhq.net.cn and tmki.cn.

Host names with three IP numbers:

ns1.nowcndns.com points to: 1.193.216.204, 218.98.111.129 and 218.98.111.138.

ns2.nowcndns.com points to: 61.158.128.11, 183.253.57.202 and 211.99.99.38.