it.kruk.eu - robtex.com

it.kruk.eu

DNSSEC⚠️ Not signed
A54.37.105.53🇫🇷 OVH54.37.0.0/16
PTRip53.ip-54-37-105.eu
A54.37.105.54🇫🇷 OVH54.37.0.0/16
MXit-kruk-eu.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::1🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca04::2🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::d🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A2a01:111:f403:ca09::20🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.8🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr04cu00500.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
MXsmtp-01.kruk.eu(20)
A85.219.229.120🇵🇱 KRUKSA-AS85.219.229.0/24 KRUK S.A.
PTRsmtp-01.kruk.eu
MXsmtp-02.kruk.eu(20)
A85.219.229.121🇵🇱 KRUKSA-AS85.219.229.0/24 KRUK S.A.
PTRsmtp-02.kruk.eu
TXTv=DMARC1; p=none; rua=mailto:postmaster@it.kruk.eu; ruf=mailto:postmaster@pos...
TXTb1oydLl3XbmZK5LoOt9QdpA9qrUd+ls2sS1c7mhaGq3Lpf7pqs6UX8fefbr0uojeIY4rNr1Fd317W...
TXTv=spf1 a mx ip4:85.219.229.120 ip4:85.219.229.121 ip4:85.219.229.122 ip4:85.2...
TXT5aLRH1R6qm6pL9PT340IfV/VXT0neVh6jVwrUPjN3iCE0yUwPy0f6Tqvei6kFCUUj3TGqiMj5/ypk...
TXTmiro-verification=00d64a4264af84438dbeea08e0cdae34d2efbe83

kruk.eu

DNSSEC⚠️ Not signed
A85.219.229.158🇵🇱 KRUKSA-AS85.219.229.0/24 KRUK S.A.
NSns1-05.azure-dns.com ⭐
NSns2-05.azure-dns.net
NSns3-05.azure-dns.org
NSns4-05.azure-dns.info
MXsmtp-01.kruk.eu ⭐
MXsmtp-02.kruk.eu ⭐
TXT699e5d12bf9b497f5b12201f56a07814ab1cef6b746170f04748afdc3b7356e
TXT_92ihgveiip44x3fcaeqqxpzmvzyujkh
TXT817bec58993f4054ba133faad1aa7547b8059c6637d62805e04a2d38b1a4480
TXT_j0pmh6s9kpcwczvrqapv8fx9bcsyat6
TXTf21849f7d543661ee8e2ee5cdb2d13c27b6c5cfef4be89c559b4829492b7edf
TXT_p4tft6whnjp6wkjvn48sbmpphy9v02n
TXT_hdx2eikjm0rd62k1pn9pnf4hs9pin17
TXT_2npg5gg93wwhd6do702raa3koqbugeg
TXTDoVjZh5x/FO8KX5gpwsLaHTeKw/BXiwiM8wsvm9bippSBSUTgMplfn7Rtti2JQ6g9A6OgHwWCq+7G...
TXTe41a7c1d8d285802510db3ede9b4d591ac9c47a45461b5f71b2cc1ed5881e2e
TXTv=spf1 a mx ip4:85.219.229.120 ip4:85.219.229.121 ip4:85.219.229.122 ip4:85.2...
TXTv=spf1 ip4:85.219.229.120/29 ip4:85.219.229.210/30 ip4:85.219.229.112 ip4:54....
TXTa85b02cff19af34b0a3056088dcbc57d208c96ffe3dfb33d1872ba9cdcb2c3a
TXTpdvsvn3Eb5Oqs9wc1p3rbe2PPwgGYEIOPXdrA/yYdbEQBMPZtHkmYjBy2aeVLNq3memMSsnixkSOO...
SOAns1-05.azure-dns.comazuredns-hostmaster@microsoft.com serial=1
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Same first word

it.cl
it.schwarz
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it.net
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it.s3-website-us-east-1.amazonaws.com
it.lv
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it.s3-eu-west-1.amazonaws.com
it.kitchen
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it.herokuapp.com
it.com.mk
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it.com.sg
it.at
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it.lidl
it.edu
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it.bw
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it.s3-website-us-west-2.amazonaws.com
it.gen.tr
it.dk
it.by
it.tc
it.com.co
it.co.cr
it.pl
it.com.ua
it.s3-website-eu-west-1.amazonaws.com
it.na
it.mil.cn
it.nt.ro
it.ma
it.simplesite.com
it.com.ro
it.fage
it.abbott
it.je
it.now

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it.com.na
ti.edu
ti.cn
it.edu.vn
it.ro
it.rocks
it.co.nz
it.com.fj
it.sos.pl
it.bielsko.pl
it.spb.ru
ti.su
it.gl
it.pro.vn
it.s3-website.eu-south-1.amazonaws.com
it.tv
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it.uz
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it.cw
ti.gy
it.ru
it.vc
it.vn
ti.org.ru
it.mk
it.fm
it.global.prod.fastly.net
it.ge
ti.com
it.co.hu
it.exchange
ti.vc
it.nl
ti.kr.ua
it.torun.pl
it.ai
it.de
it.gen.nz
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ti.fi
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ti.cl
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ti.live
ti.net.au
ti.zgora.pl
ti.gt
ti.com.pl
ti.se
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ti.st
ti.mba
ti.world
ti.ms
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ti.com.cn
ti.ee
ti.com.mx
ti.cm
ti.pl
ti.or.kr
ti.com.ua
ti.rs
ti.vg
ti.rw
ti.today

DNS History

6 records (5 active, 1 former)

MXit-kruk-eu.mail.protection.outlook.comsmtp-01.kruk.eusmtp-02.kruk.eumx-01-ext.kruk.euA54.37.105.5354.37.105.54
●MXit-kruk-eu.mail.protection.outlook.com2026-03-02 → 2026-08-11 · 2 obs
● 2026-03-02 15:34:06
● 2026-08-11 10:55:42
○MXmx-01-ext.kruk.eu2026-03-02 → 2026-03-02 · 3 obs
● 2026-03-02 15:34:06
○ 2026-07-02 06:38:48
○ 2026-08-11 10:55:42
●MXsmtp-01.kruk.eu2026-03-02 → 2026-08-11 · 2 obs
● 2026-03-02 15:34:06
● 2026-08-11 10:55:42
●MXsmtp-02.kruk.eu2026-03-02 → 2026-08-11 · 2 obs
● 2026-03-02 15:34:06
● 2026-08-11 10:55:42
●A54.37.105.532026-03-02 → 2026-08-11 · 2 obs
● 2026-03-02 15:34:06
● 2026-08-11 10:55:42
●A54.37.105.542026-03-02 → 2026-08-11 · 2 obs
● 2026-03-02 15:34:06
● 2026-08-11 10:55:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
eusi.dns.eu, y.dns.eu, be.dns.eu, w.dns.eu...-
kruk.euns1-05.azure-dns.com, ns3-05.azure-dns.org, ns2-05.azure-dns.net, ns4-05.azure-dns.info-

✅ Authoritative Response

Server:150.171.21.5

NS records: ns1-05.azure-dns.com, ns3-05.azure-dns.org, ns2-05.azure-dns.net, ns4-05.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kruk.eu (unsigned zone)

⏱️ Timing

Total: 659ms | Queries: -

📄 Records

TypeCountSample Data
A254.37.105.53, 54.37.105.54
MX3smtp-02.kruk.eu (pri: 20), it-kruk-eu.mail.protection.outlook.com (...
TXT5v=DMARC1; p=none; rua=mailto:postmaster@, b1oydLl3XbmZK5LoOt9QdpA9qrUd+ls2sS1c7mha...

Analysis

IP Addresses

it.kruk.eu points to the IP addresses 54.37.105.53 and 54.37.105.54

ip53.ip-54-37-105.eu, e-kruk.ro, kancelariaraven.pl and two other host names share IP numbers with it.kruk.eu.

Mail Servers

The MX records for it.kruk.eu list three mail servers: smtp-01.kruk.eu, smtp-02.kruk.eu and it-kruk-eu.mail.protection.outlook.com.

it.kruk.eu has at least partial mail server overlap with other domains such as infokruk.pl, kruk.eu, kancelariaraven.pl and two more.

It is common to see these mail servers combined with the mail servers kruk-com-ro.mail.protection.outlook.com, es-kruk-eu.mail.protection.outlook.com and cz-kruk-eu.mail.protection.outlook.com.

Hostnames that resolve to 8 IP addresses:

it-kruk-eu.mail.protection.outlook.com points to 52.101.68.18, 52.101.73.1, 52.101.73.8 and 5 other IP addresses.

Hosts with just one IP address:

smtp-01.kruk.eu resolves to 85.219.229.120.

smtp-02.kruk.eu resolves to 85.219.229.121.