thinkco.com - dns.ninja

thinkco.com

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

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=1781308863
WOT: SAFE (60/100)

Subdomains

ns3.thinkco.com
ns1.thinkco.com
gw1.thinkco.com
ns1a.thinkco.com
ne1.thinkco.com
greylist.thinkco.com
ns2.thinkco.com
mail.thinkco.com
_ne2.thinkco.com
ns4.thinkco.com

Same first word

thinkco.com
thinkco.com.mx
thinkco.dev

Similar names

kontich.be
tonchik.ru
cothink.com
kichton.biz
kontchi.com
hkintco.com
chintok.com
kichton.com
tonchik.de
kontich.com
cothink.net
kochint.at
cothink.org
kichton.net
kitchno.com
kichton.org
thinkoc.org
hickton.co.nz
hictkon.com
hintock.com
kitchon.net
hickton.net
hotnick.com
kotchin.com
tonichk.com
thincko.com
kontich.immo
tochkin.com
hickton.co.uk
hickton.com
kochint.com

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
○NSns1.afternic.com2026-02-18 → 2026-05-19 · 5 obs
○ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
○ 2026-06-12 07:50:34
○ 2026-06-13 00:05:46
●NSns1.perfectdomain.com2026-06-12 → 2026-06-13 · 3 obs
○ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-06-13 00:05:46
○NSns1.thinkco.com2007-08-16 → 2016-12-31 · 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○NSns2.afternic.com2026-02-18 → 2026-05-19 · 5 obs
○ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
○ 2026-06-12 07:50:34
○ 2026-06-13 00:05:46
●NSns2.perfectdomain.com2026-06-12 → 2026-06-13 · 3 obs
○ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-06-13 00:05:46
○NSns2.thinkco.com2007-08-16 → 2016-12-31 · 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○NSns3.thinkco.com2007-08-16 → 2016-12-31 · 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○NSns4.thinkco.com2007-08-16 → 2016-12-31 · 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○NStiswvirpdns012015-08-23 → 2016-12-31 · 5 obs
○ 2007-08-16 00:03:06
● 2015-08-23 07:23:18
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○MXgreylist.thinkco.com2007-08-16 → 2007-08-16 · 3 obs
● 2007-08-16 00:03:06
○ 2015-08-23 07:23:18
○ 2026-06-13 00:05:46
○MXmail.thinkco.com2007-08-16 → 2007-08-16 · 3 obs
● 2007-08-16 00:03:06
○ 2015-08-23 07:23:18
○ 2026-06-13 00:05:46
○MXsmtpmx01.think.eu2015-08-23 → 2016-12-31 · 5 obs
○ 2007-08-16 00:03:06
● 2015-08-23 07:23:18
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○MXsmtpmx02.think.eu2015-08-23 → 2016-12-31 · 5 obs
○ 2007-08-16 00:03:06
● 2015-08-23 07:23:18
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○A13.248.169.482026-02-18 → 2026-05-19 · 5 obs
○ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
○ 2026-06-12 07:50:34
○ 2026-06-13 00:05:46
●A159.89.244.1832026-06-12 → 2026-06-13 · 3 obs
○ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-06-13 00:05:46
●A164.90.244.1582026-06-12 → 2026-06-13 · 3 obs
○ 2026-05-19 04:32:22
● 2026-06-12 07:50:34
● 2026-06-13 00:05:46
○A195.97.206.112007-08-16 → 2016-12-31 · 4 obs
● 2007-08-16 00:03:06
● 2016-12-31 04:33:18
○ 2026-02-18 07:13:14
○ 2026-06-13 00:05:46
○A76.223.54.1462026-02-18 → 2026-05-19 · 5 obs
○ 2016-12-31 04:33:18
● 2026-02-18 07:13:14
● 2026-05-19 04:32:22
○ 2026-06-12 07:50:34
○ 2026-06-13 00:05:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
thinkco.comns1.perfectdomain.com, ns2.perfectdomain.com2 records

✅ Authoritative Response

Server:159.89.244.183

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkco.com (unsigned zone)

⏱️ Timing

Total: 439ms | Queries: -

📄 Records

TypeCountSample Data
A2159.89.244.183, 164.90.244.158
TXT2v=spf1 -all, v=DMARC1; p=reject; adkim=s; aspf=s;

📌 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 two IP numbers: 159.89.244.183 and 164.90.244.158.

Among the host names that share IP numbers with thinkco.com are libracard.com, www.kpremium.com, mail.sportag.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 justusrecords.com, gxum.com, vachome.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 — ns1.perfectdomain.com resolves to 159.89.244.183 while ns2.perfectdomain.com resolves to 164.90.244.158.