c1b2.com - robtex.com

c1b2.com

DNSSEC⚠️ Not signed
A47.89.37.108🇭🇰 Alibaba-Cloud47.89.32.0/19 Alibaba Cloud
NSdns5.4cun.com ⭐
A2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33
A219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang
NSdns.4cun.com ⚠️ Not in zone NS records
NSdns6.51dns.top ⚠️ Not in zone NS records
A2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33
A61.172.183.74🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
MXmail.c1b2.com ⭐
SOAdns.4cun.comadmin@c1b2.com serial=1772528433

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

c1b2.com
c1b2.cn

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DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdns.4cun.comdns5.4cun.comdns6.51dns.topMXmail.c1b2.comA47.89.37.108203.124.15.75
●NSdns.4cun.com2015-10-28 → 2026-03-24 · 2 obs
● 2015-10-28 00:43:24
● 2026-03-24 07:38:18
●NSdns5.4cun.com2026-02-24 → 2026-03-24 · 3 obs
○ 2015-10-28 00:43:24
● 2026-02-24 04:19:52
● 2026-03-24 07:38:18
●NSdns6.51dns.top2026-02-24 → 2026-03-24 · 3 obs
○ 2015-10-28 00:43:24
● 2026-02-24 04:19:52
● 2026-03-24 07:38:18
●MXmail.c1b2.com2016-02-01 → 2026-03-24 · 5 obs
● 2016-02-01 05:47:00
● 2026-03-17 18:00:26
○ 2026-03-19 11:14:52
● 2026-03-23 15:29:14
● 2026-03-24 07:38:18
○A203.124.15.752015-10-28 → 2016-04-28 · 4 obs
● 2015-10-28 00:43:24
● 2016-04-28 12:46:58
○ 2016-12-24 17:20:08
○ 2026-03-24 07:38:18
●A47.89.37.1082016-12-24 → 2026-03-24 · 6 obs
○ 2016-04-28 12:46:58
● 2016-12-24 17:20:08
● 2026-03-17 18:00:26
○ 2026-03-19 11:14:52
● 2026-03-23 15:29:14
● 2026-03-24 07:38:18

🔍 DNS Trace

Analysis

IP Addresses

c1b2.com points to IP number 47.89.37.108.

For instance, other host names e-nuo.net, tjfxny.com, suyanagro.com, szzypackaging.com and yileyacht.com share IP numbers with c1b2.com.

Name Servers

The delegation for c1b2.com is handled by three name servers: dns5.4cun.com, dns.4cun.com and dns6.51dns.top.

c1b2.com shares name servers with other domains at least partially, for example gtan.com, nbjianle.com, sz-puren.com, jiangbei.mobi and sumwell.com.cn.

these name servers are often used with the following: dns3.4cun.com, dns4.51dns.top, dns7.4cun.com, dns6.4cun.com, dns1.4cun.com, dns2.51dns.top, dns8.51dns.top, ns3.4cun.com, ns4.4cun.com and ns1.4cun.com.

Host names with two IP numbers:

The host name dns5.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210.

The host name dns6.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74.

Host names that point to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns5.4cun.com and dns6.51dns.top.

Mail Servers

c1b2.com is handled by a single mail server, mail.c1b2.com.