server.4d.cz - robtex.com

server.4d.cz

DNSSEC⚠️ Not signed
A109.72.3.123🇨🇿 INTERNETPB-AS109.72.0.0/20
PTRserver.4d.cz

4d.cz

DNSSEC🔒 Signed (DS record present)
NSns1.ignum.com ⭐
NSns2.ignum.cz
MXserver.4d.cz ⭐
TXTv=spf1 mx a -all
SOAns1.ignum.comhostmaster@ignum.cz 2026-04-10 #1

PTR for

123.3.72.109.in-addr.arpa

MX for

exacta2002.cz
abc-topeni.cz
4d.cz
inforce.cz

Same first word

server.it
server.kz
server.gg
server.sd
server.ee
server.email
server.cm
server.eus
server.coffee
server.pink
server.sk
server.ua
server.co
server.net.tr
server.engineer
server.systems
server.dscloud.mobi
server.com
server.opole.pl
server.new
server.re
server.dog
server.co.nl
server.no
server.deals
server.hu
server.cz
server.kg
server.pet
server.app
server.ag
server.be
server.pro
server.lv
server.cl
server.cc
server.idv.tw
server.gr
server.cafe
server.sh
server.ne.kr
server.ne.jp
server.gen.tr
server.agency
server.casa
server.work
server.in.ua
server.my
server.sg
server.org
server.nyc
server.s3.amazonaws.com
server.lu
server.li
server.uy
server.com.pt
server.dyndns.tv
server.plus
server.srv.br
server.industries
server.warszawa.pl
server.bio
server.com.ro
server.id.vn
server.az
server.team
server.web.tr
server.awsapps.com
server.de
server.info.az
server.ac
server.ba
server.house
server.odessa.ua
server.uk
server.bike
server.care
server.js.cn
server.as
server.dk
server.net.co
server.guide
server.au
server.biz.id
server.ir
server.gb.net
server.web.id
server.company
server.bg
server.la
server.for-the.biz
server.com.gr
server.promo
server.digital
server.repair
server.ae
server.st
server.ms
server.gl
server.to
server.ch
server.services
server.fo
server.com.br
server.fyi
server.ro
server.(0x706f726e)
server.sa
server.codes
server.com.ar
server.my.id
server.com.au
server.zone
server.app.br
server.io
server.broker
server.firm.in

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server.trading
server.su
server.dev
server.kicks-ass.org
severr.com
server.gd
server.ca
server.pk
reserv.eu
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reserv.kz
server.london
server.net.sg
server.eu
server.bz
server.education
severr.cc
server.rs.ba
sverre.nu
server.info.at
server.tel
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rverse.org
server.host
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server.lk
revers.pl
server.fi
sverre.as
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verres.it
rverse.co
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reserv.co.uk
server.ie
server.tn
revers.eu
revers.se
verres.com
server.servebeer.com
server.net.au
server.nl
server.mk
sverre.net
server.md
server.camp
resver.es
server.ooo
server.com.mk
server.co.com
server.info
server.lat
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reserv.ai
server.ws
server.jp
server.wien
server.wales
server.network
revers.es
server.nom.es
server.net.in
server.net.my
rverse.com
rverse.net
server.uz.ua
revers.org
reserv.us
revers.com
revers.ec
revser.com
sverre.org
revers.fr
verser.nl
revers.be
srever.workers.dev
revers.kiev.ua
sverre.eu
revers.at
reserv.nl
sverre.no
verres.be
revers.io
resver.com
reserv.es
reserv.company
revers.pro
erserv.net
ervers.com
revres.com
revers.art.pl
revers.ro
revers.org.pl
revers.de
reserv.it
ervers.net
verser.net
revers.net
reserv.ee
sverre.us
reserv.pl
reserv.org
resrve.com
sverre.de
reserv.jp
sverre.it
verser.com
reesrv.win

DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A109.72.3.12378.80.56.71
●A109.72.3.1232017-01-01 → 2026-04-12 · 3 obs
○ 2016-06-07 04:27:44
● 2017-01-01 07:39:38
● 2026-04-12 13:08:58
○A78.80.56.712015-06-11 → 2016-06-07 · 4 obs
● 2015-06-11 00:29:50
● 2016-06-07 04:27:44
○ 2017-01-01 07:39:38
○ 2026-04-12 13:08:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
4d.czns1.ignum.com, ns2.ignum.cz2 records

✅ Authoritative Response

Server:185.65.223.35

NS records: ns1.ignum.com, ns2.ignum.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1375ms | Queries: -

📄 Records

TypeCountSample Data
A1109.72.3.123

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)

Analysis

Mail Server Role

server.4d.cz serves as the mail server for exacta2002.cz, abc-topeni.cz, 4d.cz and inforce.cz.

mail2.ignum.cz and mail6.ignum.cz are commonly used as mail servers alongside server.4d.cz.

IP Addresses

server.4d.cz points to a single IP: 109.72.3.123.

Other host names such as *.4d.cz and exacta2002.cz share IP numbers with server.4d.cz.