mail.cothink.com - robtex.com

mail.cothink.com

DNSSEC⚠️ Not signed
A213.134.246.5🇳🇱 NL-SOLCON213.134.224.0/19 Solcon Internetdiensten B.V.
PTRftth-213-134-246-005.solcon.nl

cothink.com

DNSSEC⚠️ Not signed
A136.144.135.159🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands
NSns3.combell.net ⭐
NSns1.combell.eu ⚠️ Not in parent delegation
NSns4.combell.net
MXcothink-com.mail.protection.outlook.com ⭐
TXTv=spf1 mx a include:spf.protection.outlook.com ip4:136.144.135.159 ip4:195.8....
TXTMS=ms41886934
SOAns3.combell.nethostmaster@cothink.com serial=1774001785

Previously MX for

cothink.com

Same first word

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mail.to
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mail.ps

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A213.134.246.580.247.161.52
●A213.134.246.52026-07-28 → 2026-07-28 · 3 obs
○ 2016-04-26 20:25:46
● 2026-07-28 20:59:44
● 2026-07-28 20:59:46
○A80.247.161.522015-06-03 → 2016-04-26 · 4 obs
● 2015-06-03 00:27:22
● 2016-04-26 20:25:46
○ 2026-07-28 20:59:44
○ 2026-07-28 20:59:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...-
cothink.comns3.combell.net, ns4.combell.net-

✅ Authoritative Response

Server:86.39.202.67

NS records: ns3.combell.net, ns4.combell.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cothink.com (unsigned zone)

⏱️ Timing

Total: 458ms | Queries: -

📄 Records

TypeCountSample Data
A1213.134.246.5

Analysis

IP Addresses

mail.cothink.com resolves to one IP address: 213.134.246.5.

Further host names like ftth-213-134-246-005.solcon.nl and mail.mkbict.nl overlap in IP numbers with mail.cothink.com.