thinkco.com - dns.ninja

thinkco.com

DNSSEC⚠️ Not signed
A159.89.244.183πŸ‡ΊπŸ‡Έ DIGITALOCEAN159.89.244.0/22 DigitalOcean
A164.90.244.158πŸ‡ΊπŸ‡Έ DIGITALOCEAN164.90.244.0/22 DigitalOcean
NSns1.perfectdomain.com ⚠️ Not in zone NS records
A159.89.244.183πŸ‡ΊπŸ‡Έ DIGITALOCEAN159.89.244.0/22 DigitalOcean
NSns2.perfectdomain.com ⚠️ Not in zone NS records
A164.90.244.158πŸ‡ΊπŸ‡Έ DIGITALOCEAN164.90.244.0/22 DigitalOcean
TXTv=spf1 -all
TXTv=DMARC1; p=reject; adkim=s; aspf=s;

com

WOT: SAFE (60/100)

Subdomains

Same first word

Similar names

DNS History

18 records (4 active, 14 former)

2008201020122014201620182020202220242026NSns1.perfectdomain.comns2.perfectdomain.comns1.afternic.comns1.thinkco.comns2.afternic.comns2.thinkco.comns3.thinkco.comns4.thinkco.comtiswvirpdns01MXgreylist.thinkco.commail.thinkco.comsmtpmx01.think.eusmtpmx02.think.euA159.89.244.183164.90.244.15813.248.169.48195.97.206.1176.223.54.146
β—‹NSns1.afternic.com2026-02-18 β†’ 2026-05-19 Β· 5 obs
β—‹ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
β—‹ 2026-06-12 07:50:34
β—‹ 2026-08-06 03:27:38
●NSns1.perfectdomain.com2026-06-12 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-08-06 03:27:38
β—‹NSns1.thinkco.com2007-08-16 β†’ 2016-12-31 Β· 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹NSns2.afternic.com2026-02-18 β†’ 2026-05-19 Β· 5 obs
β—‹ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
β—‹ 2026-06-12 07:50:34
β—‹ 2026-08-06 03:27:38
●NSns2.perfectdomain.com2026-06-12 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-08-06 03:27:38
β—‹NSns2.thinkco.com2007-08-16 β†’ 2016-12-31 Β· 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹NSns3.thinkco.com2007-08-16 β†’ 2016-12-31 Β· 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹NSns4.thinkco.com2007-08-16 β†’ 2016-12-31 Β· 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹NStiswvirpdns012015-08-23 β†’ 2016-12-31 Β· 5 obs
β—‹ 2007-08-16 00:03:06
● 2015-08-23 07:23:18
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹MXgreylist.thinkco.com2007-08-16 β†’ 2007-08-16 Β· 3 obs
● 2007-08-16 00:03:06
β—‹ 2015-08-23 07:23:18
β—‹ 2026-08-06 03:27:38
β—‹MXmail.thinkco.com2007-08-16 β†’ 2007-08-16 Β· 3 obs
● 2007-08-16 00:03:06
β—‹ 2015-08-23 07:23:18
β—‹ 2026-08-06 03:27:38
β—‹MXsmtpmx01.think.eu2015-08-23 β†’ 2016-12-31 Β· 5 obs
β—‹ 2007-08-16 00:03:06
● 2015-08-23 07:23:18
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹MXsmtpmx02.think.eu2015-08-23 β†’ 2016-12-31 Β· 5 obs
β—‹ 2007-08-16 00:03:06
● 2015-08-23 07:23:18
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹A13.248.169.482026-02-18 β†’ 2026-05-19 Β· 5 obs
β—‹ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
β—‹ 2026-06-12 07:50:34
β—‹ 2026-08-06 03:27:38
●A159.89.244.1832026-06-12 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-08-06 03:27:38
●A164.90.244.1582026-06-12 β†’ 2026-08-06 Β· 3 obs
β—‹ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-08-06 03:27:38
β—‹A195.97.206.112007-08-16 β†’ 2016-12-31 Β· 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
β—‹ 2026-02-18 07:13:14
β—‹ 2026-08-06 03:27:38
β—‹A76.223.54.1462026-02-18 β†’ 2026-05-19 Β· 5 obs
β—‹ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
β—‹ 2026-06-12 07:50:34
β—‹ 2026-08-06 03:27:38

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...-
thinkco.comns1.perfectdomain.com, ns2.perfectdomain.com2 records

βœ… Authoritative Response

Server:164.90.244.158

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkco.com (unsigned zone)

⏱️ Timing

Total: 279ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2164.90.244.158, 159.89.244.183
TXT2v=DMARC1; p=reject; adkim=s; aspf=s;, v=spf1 -all

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.perfectdomain.com, ns2.perfectdomain.com)

Analysis

Hierarchy

ns3.thinkco.com, ns1.thinkco.com, gw1.thinkco.com, ns1a.thinkco.com, ne1.thinkco.com and a few other host names are all children of thinkco.com.

IP Addresses

thinkco.com points to the IP addresses 159.89.244.183 and 164.90.244.158

Among the host names that share IP numbers with thinkco.com are libracard.com, mx.beaubell.com, weightlossmusclebuilding.publicsets.com and two others.

Name Servers

Two name servers handle the delegation for thinkco.com: ns1.perfectdomain.com and ns2.perfectdomain.com.

thinkco.com has the same name server delegation as a number of other domains, such as joytc.com, justusrecords.com, bikepolo.com and two more.

The name servers for thinkco.com overlap at least in part with those of other domains, including rabbi.xyz and ttking.com.

Both ns1.perfectdomain.com and ns2.perfectdomain.com have a single IP address each β€” ns1.perfectdomain.com resolves to 159.89.244.183 while ns2.perfectdomain.com resolves to 164.90.244.158.