`mail.server4u.pl`

	DNSSEC	⚠️ Not signed
	A	185.253.212.22^{🇵🇱 AS48707-OPS-PL185.253.212.0/24}

`server4u.pl`

	DNSSEC	🔒 Signed (DS record present)
	A	185.253.212.22^{🇵🇱 AS48707-OPS-PL185.253.212.0/24}
	NS	`ns1.aftermarket.pl` ⭐
	NS	`ns2.aftermarket.pl`
	MX	`blackhole.aftermarket.pl` ⭐
	TXT	`v=spf1 mx -all`
	SOA	`ns1.aftermarket.pl`kontakt@aftermarket.pl serial=2603191144

Previously MX for

server4u.pl

Same first word

mail.be

mail.com.vn

mail.how

mail.in-brb.de

mail.ro

mail.com.hk

mail.neustar

mail.ao

mail.pw

mail.broker

mail.school

mail.land

mail.yahoo

mail.edu.ge

mail.ps

mail.edu.ee

mail.gouv.ci

mail.gi

mail.fr

mail.mil.id

mail.k12.vt.us

mail.photos

mail.omg.lol

mail.ooo

mail.cloudaccess.net

mail.girly.jp

mail.ec

mail.potager.org

mail.v.ua

mail.copro.uk

mail.or.id

mail.kim

mail.md

mail.gov.ls

mail.edu.tt

mail.si

mail.gov.rw

mail.gov.bs

mail.ca

mail.je

mail.ks.ua

mail.org.br

mail.technology

mail.edu.ru

mail.edu.az

mail.global

mail.bambina.jp

mail.hu.net

mail.whitesnow.jp

mail.se

mail.keymachine.de

mail.gd

mail.ms.gov.br

mail.csx.cc

mail.basicserver.io

mail.coupons

mail.js.org

mail.ch

mail.partners

mail.mt

mail.golffan.us

mail.town

mail.sh

mail.nom.za

mail.com.br

mail.com.ph

mail.co.ua

mail.bike

mail.gr

mail.srv.br

mail.dyn-vpn.de

mail.serveminecraft.net

mail.gov.cn

mail.staba.jp

mail.pinoko.jp

mail.in.th

mail.tech

mail.rakkestad.no

mail.gov.bm

mail.com.py

mail.guru

mail.bing

mail.lv

mail.babyblue.jp

mail.in-berlin.de

mail.no-ip.biz

mail.host

mail.management

mail.qld.gov.au

mail.pm

mail.wf

mail.ltd

mail.com.pe

mail.marketing

mail.velvet.jp

mail.fage

mail.coach

mail.abbott

mail.weir

mail.wroclaw.pl

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alim.com.my

amil.healthcare

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lima.net.ua

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mail.az

mila.media

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mail.is

lmai.ru

almi.nu

mail.gov.zw

lima.plus

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liam.eu

mila.com.ua

ialm.info

mail.tr

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mail.media

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aiml.io

mail.no-ip.net

mail.mn

ilam.ac.ir

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mail.health

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amil.life

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aiml.biz

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mail.ms

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lima.su

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lima.im

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mail.kz

mail.im

alim.hu

mila.se

mail.kaas.gg

mail.it.com

mail.gov.mg

mail.ss

liam.co.il

mail.co

mail.tc

laim.cz

mail.gda.pl

amil.us

almi.hr

mail.world

mail.pe

mail.sunnyday.jp

mail.group

mali.us

mail.gov

lami.ru

mila.edu.pl

mail.org.za

mail.mx

lmai.lt

mail.cy

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl...	-
server4u.pl	ns1.aftermarket.pl, ns2.aftermarket.pl	-

✅ Authoritative Response

Server:185.253.213.10

NS records: ns1.aftermarket.pl, ns2.aftermarket.pl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 336ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.253.212.22`

Analysis

IP Addresses

mail.server4u.pl points to a single IP number: 185.253.212.22.

Other host names, for instance dotrzechdych.pl, mfx.acn.waw.pl, homeliving.pl, meble24.eu and alteo.pl share IP numbers with mail.server4u.pl.

mail.server4u.pl - robtex.com

mail.server4u.pl

server4u.pl