243.masterit.cz - robtex.com

243.masterit.cz

DNSSEC⚠️ Not signed
A2a01:28:ca:112::1:968🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
PTRmol07.vas-server.cz
A88.86.124.239🇨🇿 SuperNetwork88.86.96.0/19 s.r.o.

masterit.cz

DNSSEC🔒 Signed (DS record present)
A2a01:28:ca:112::1:968🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
A88.86.124.239🇨🇿 SuperNetwork88.86.96.0/19 s.r.o.
NSns1.ignum.com ⭐
NSns2.ignum.cz
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
MXmx20.masterit.cz(99)
TXTMS=B0D67B646D79FD4B45DFB1A34FAE58684E6649E3
TXT5d6715a9dbcd93f136bee692fae0f3ba4d07cb7d855454a81e2f5c620f0fdee
TXTc1ffbc7f6ed69a29edebcd330a463a1ebc1b0970d49bf356e3030bef0af4f22
TXTe72cd6c55236fcb0ecf048e8c77aece43860650e0d77850c68d4589fd3e760e
TXTv=spf1 a:mx20.masterit.cz a:nagios.masterit.cz include:_spf.google.com -all
SOAns1.ignum.comhostmaster@ignum.cz 2026-04-29 #1

Subdomains

82.243.masterit.cz

Same first word

243.eu
243.ru
243.in
243.es
243.ca
243.de
243.net
243.jp
243.pl
243.hk
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243.com

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423.us
234.cat
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234.cx
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432.cz
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432.foundation
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342.ca
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234.la
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432.it
342.eu
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423.hk
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342.co.kr
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432.ovh
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234.ru
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342.tel
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423.no
324.info
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432.ru
432.ca
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234.in-addr.arpa
423.biz
432.cc
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234.dk
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324.com
432.ch
324.ir
342.ch
234.co.jp
432.co.jp
324.co.uk
324.de
234.es
234.ltd
423.de
342.in

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
masterit.czns1.ignum.com, ns2.ignum.cz2 records

✅ Authoritative Response

Server:217.31.48.201

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1163ms | Queries: -

📄 Records

TypeCountSample Data
A188.86.124.239
AAAA12a01:28:ca:112::1:968

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)

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

Analysis

Hierarchy

243.masterit.cz is a parent of 82.243.masterit.cz.

IP Addresses

243.masterit.cz points to two IP numbers: 2a01:28:ca:112::1:968 and 88.86.124.239.

Other host names such as 94.229.87.105.masterit.cz, 233.masterit.cz, 94.229.87.155.masterit.cz, 87.15.masterit.cz and 86.1.masterit.cz share IP numbers with 243.masterit.cz.