colbd.com - dns.ninja

colbd.com

DNSSEC⚠️ Not signed
A202.65.168.34🇧🇩 CTGONLINE-AS-AP202.65.168.0/24 CTGONLINENET Route Object
PTRmx-01.colbd.com
PTRns1.colbd.net
NSns1.colbd.com ⭐
NSns1.colbd.net
A202.65.168.34🇧🇩 CTGONLINE-AS-AP202.65.168.0/24 CTGONLINENET Route Object
PTRmx-01.colbd.com
PTRns1.colbd.net
NSns2.colbd.net
A202.65.168.38🇧🇩 CTGONLINE-AS-AP202.65.168.0/24 CTGONLINENET Route Object
PTRmx-01.colbd.net
PTRns2.colbd.net
NSns3.colbd.net
A202.65.168.39🇧🇩 CTGONLINE-AS-AP202.65.168.0/24 CTGONLINENET Route Object
PTRsmtp01.colbd.com
NSns4.colbd.net
A203.80.190.41🇧🇩 CTGONLINE-AS-AP203.80.190.0/24 CTGONLINENET Route Object
PTRns4.colbd.net
MXmx-01.colbd.com ⭐
A202.65.168.34🇧🇩 CTGONLINE-AS-AP202.65.168.0/24 CTGONLINENET Route Object
PTRmx-01.colbd.com
PTRns1.colbd.net
MXzerospam.colbd.com(20)
TXTgoogle-site-verification=mCqQKVF8rY3ca7xFnSWQqXWiZerqpyyBaxgnANljKYM
TXTv=spf1 ip4:202.65.168.32/27 a mx ~all
SOAns1.colbd.comroot@col-srv-01.colbd.com 2026-07-29 #2

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=1786704984
📈 Tranco rank: #592,015

Subdomains

familytex.colbd.com
smtp.colbd.com
cloud-meet.colbd.com
smartnet.colbd.com
speedtest.colbd.com
smtp01.colbd.com
sss1.colbd.com
mail2.colbd.com
mx-01.colbd.com
cvasu-163.colbd.com
www.colbd.com
mail.colbd.com
pop.colbd.com

Same first word

colbd.com
colbd.net

Similar names

boldc.com
cbdol.com.mx
dbloc.com
bdcol.ee
ldbco.com
blcod.com
bldoc.com
cdlob.com
cbdol.mx
cbdol.net
lbdoc.com
blocd.com
cdlbo.it
lbdco.com
dbloc.net
blocd.io
bolcd.com
dlboc.com
coldb.com
clodb.com
bdcol.com
olcbd.com
dbolc.com
cdbol.com
bldco.com
locdb.de
oclbd.com
cbdol.de
coldb.us
dbloc.ch
bdlco.com
bldco.ru
dobcl.com
cbold.com
dbloc.de
cbdol.com
cbdlo.com
locdb.com
olcbd.net
bcold.com

DNS History

10 records (8 active, 2 former)

20162017201820192020202120222023202420252026NSns1.colbd.comns1.colbd.netns2.colbd.netns3.colbd.netns4.colbd.netMXmx-01.colbd.comzerospam.colbd.comms22.tcnoc.comA202.65.168.34202.65.168.36
●NSns1.colbd.com2015-08-21 → 2026-08-14 · 8 obs
● 2015-08-21 13:00:34
● 2026-06-05 01:05:10
○ 2026-06-07 13:37:00
● 2026-06-09 01:50:44
● 2026-06-17 16:21:02
○ 2026-06-17 17:32:50
● 2026-06-20 08:51:22
● 2026-08-14 11:21:26
●NSns1.colbd.net2015-08-21 → 2026-08-14 · 2 obs
● 2015-08-21 13:00:34
● 2026-08-14 11:21:26
●NSns2.colbd.net2015-08-21 → 2026-08-14 · 2 obs
● 2015-08-21 13:00:34
● 2026-08-14 11:21:26
●NSns3.colbd.net2015-08-21 → 2026-08-14 · 2 obs
● 2015-08-21 13:00:34
● 2026-08-14 11:21:26
●NSns4.colbd.net2015-08-21 → 2026-08-14 · 2 obs
● 2015-08-21 13:00:34
● 2026-08-14 11:21:26
○MXms22.tcnoc.com2015-08-21 → 2017-09-05 · 4 obs
● 2015-08-21 13:00:34
● 2017-09-05 16:26:54
○ 2026-02-14 17:18:26
○ 2026-08-14 11:21:26
●MXmx-01.colbd.com2026-02-14 → 2026-08-14 · 9 obs
○ 2017-09-05 16:26:54
● 2026-02-14 17:18:26
● 2026-06-05 01:05:10
○ 2026-06-07 13:37:00
● 2026-06-09 01:50:44
● 2026-06-17 16:21:02
○ 2026-06-17 17:32:50
● 2026-06-20 08:51:22
● 2026-08-14 11:21:26
●MXzerospam.colbd.com2026-02-14 → 2026-08-14 · 9 obs
○ 2017-09-05 16:26:54
● 2026-02-14 17:18:26
● 2026-06-05 01:05:10
○ 2026-06-07 13:37:00
● 2026-06-09 01:50:44
● 2026-06-17 16:21:02
○ 2026-06-17 17:32:50
● 2026-06-20 08:51:22
● 2026-08-14 11:21:26
●A202.65.168.342026-02-14 → 2026-08-14 · 9 obs
○ 2017-09-05 16:26:54
● 2026-02-14 17:18:26
● 2026-06-05 01:05:10
○ 2026-06-07 13:37:00
● 2026-06-09 01:50:44
● 2026-06-17 16:21:02
○ 2026-06-17 17:32:50
● 2026-06-20 08:51:22
● 2026-08-14 11:21:26
○A202.65.168.362015-08-21 → 2017-09-05 · 4 obs
● 2015-08-21 13:00:34
● 2017-09-05 16:26:54
○ 2026-02-14 17:18:26
○ 2026-08-14 11:21:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
colbd.comns1.colbd.net, ns2.colbd.net, ns3.colbd.net, ns4.colbd.net-

✅ Authoritative Response

Server:203.80.190.41

NS records: ns1.colbd.net, ns2.colbd.net, ns3.colbd.net, ns4.colbd.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colbd.com (unsigned zone)

⏱️ Timing

Total: 1354ms | Queries: -

📄 Records

TypeCountSample Data
A1202.65.168.34
NS4ns2.colbd.net, ns1.colbd.net...
MX2mx-01.colbd.com (pri: 15), zerospam.colbd.com (pri: 20)
TXT2v=spf1 ip4:202.65.168.32/27 a mx ~all, google-site-verification=mCqQKVF8rY3ca7x
SOA1ns1.colbd.com root.col-srv-01.colbd.com

Analysis

Hierarchy

colbd.com serves as parent to familytex.colbd.com, smtp.colbd.com, cloud-meet.colbd.com, smartnet.colbd.com, speedtest.colbd.com along with a few other host names.

IP Addresses

colbd.com resolves to just one IP address, 202.65.168.34.

Two other host names, along with dns1.smartstudio.digital, dns1.smartflix.digital and ns1.colbd.net, also share IP numbers with colbd.com.

Name Servers

colbd.com delegates to five name servers: ns1.colbd.com, ns1.colbd.net, ns2.colbd.net and two others.

colbd.com has at least partial name server overlap with other domains, such as imagectg.com, cliftongroupbd.com, maxmbd.com and two others.

It is common to see these name servers used together with name servers ns3.colbd.net and ns4.colbd.net.

The hosts ns1.colbd.net, ns2.colbd.net, ns3.colbd.net and ns4.colbd.net all resolve to exactly one IP address each: 202.65.168.34, 202.65.168.38, 202.65.168.39 and 203.80.190.41 respectively.

Mail Servers

colbd.com is served by two mail servers, mx-01.colbd.com and zerospam.colbd.com.

colbd.com has mail servers in common with other domains — for example colsoftware.net and imagectg.com.

These mail servers often co-occur with the mail servers zerospam.colbd.net.

Host names that point to one IP address:

The hostname mx-01.colbd.com resolves to 202.65.168.34.