mail.koolsite.de - robtex.com

mail.koolsite.de

DNSSEC⚠️ Not signed
A212.7.205.236🇳🇱 LEASEWEB-NL-AMS-01212.7.192.0/20

koolsite.de

DNSSEC🔒 Signed (DS record present)
A212.7.205.236🇳🇱 LEASEWEB-NL-AMS-01212.7.192.0/20
NSns0.leaseweb.nl ⭐
NSns1.leaseweb.nl
NSns4.leaseweb.net
NSns5.leaseweb.nl
MXmailfilter1.leaseweb.com ⭐
MXmailfilter2.leaseweb.com ⭐
MXmailfilter3.leaseweb.com ⭐
SOAns0.leaseweb.nlpostmaster@leaseweb.nl 2015-03-21 #1

Previously MX for

koolsite.de

Same first word

mail.tel
mail.ws
mail.holiday
mail.zombie.jp
mail.ma
mail.mr
mail.gov.af
mail.hashbang.sh
mail.mil.ru
mail.schwarz
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mail.rj.gov.br
mail.freedesktop.org
mail.direct
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mail.vacations
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mail.gov.ph
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mail.ddns.net
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mail.photography
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mail.toray
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mail.house
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mail.daa.jp
mail.sd
mail.co.id
mail.top
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mail.gouv.ml
mail.limited
mail.man
mail.gen.tr
mail.zip
mail.dvrcam.info
mail.gov.gd
mail.brasilia.me
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mail.pn
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mail.gov.il
mail.ie
mail.pa
mail.schaeffler
mail.gov.to
mail.berlin
mail.dynns.com
mail.go.id
mail.tl
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mail.(0x6c6f6c697461)punk.jp
mail.gov.ie
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DNS History

3 records (1 active, 2 former)

200920112013201520172019202120232025A212.7.205.23688.198.22.10495.211.13.70
●A212.7.205.2362026-05-21 → 2026-07-16 · 3 obs
○ 2016-04-27 05:12:58
● 2026-05-21 12:31:44
● 2026-07-16 00:18:06
○A88.198.22.1042008-11-27 → 2008-11-27 · 3 obs
● 2008-11-27 08:28:10
○ 2015-06-05 20:06:56
○ 2026-07-16 00:18:06
○A95.211.13.702015-06-05 → 2016-04-27 · 5 obs
○ 2008-11-27 08:28:10
● 2015-06-05 20:06:56
● 2016-04-27 05:12:58
○ 2026-05-21 12:31:44
○ 2026-07-16 00:18:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
koolsite.dens1.leaseweb.nl, ns4.leaseweb.net, ns5.leaseweb.nl-

✅ Authoritative Response

Server:23.19.196.53

NS records: ns1.leaseweb.nl, ns4.leaseweb.net, ns5.leaseweb.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1119ms | Queries: -

📄 Records

TypeCountSample Data
A1212.7.205.236

Analysis

IP Addresses

mail.koolsite.de points to a single IP number: 212.7.205.236.

Additional host names — forward.football, dewerdinstallatietechniek.nl, frosha.io and two others — share IP numbers with mail.koolsite.de.