mx.just4web.cz - robtex.com

mx.just4web.cz

DNSSEC⚠️ Not signed
A2a01:28:ca:112::1:1057🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
PTRmch06.vas-server.cz
A46.234.108.35🇨🇿 SuperNetwork46.234.96.0/19 s.r.o.

just4web.cz

DNSSEC⚠️ Not signed
A2a01:28:ca:112::1:1680🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
A46.234.108.112🇨🇿 SuperNetwork46.234.96.0/19 s.r.o.
NSindie.ns.cloudflare.com ⭐
NSjaziel.ns.cloudflare.com
MXmx.just4web.cz ⭐
MXmx.just4web.eu(10)
TXTglobalsign-domain-verification=B0Ly3e2N7L1BUKR9xp19lNgAqYvqriuZnBAI6bxR2w
TXTgoogle-site-verification=m-UD4YYDJpSH8cYlgI10eW3WTpZMP4bciztKcK_n1TE
TXTv=DMARC1; p=none; rua=mailto:security@just4web.cz; adkim=r; aspf=r;
TXTv=spf1 a mx ip4:46.234.108.1 ip6:2a01:28:ca:112::1:308 include:_spf.webglobe....
SOAindie.ns.cloudflare.comdns@cloudflare.com serial=2405649109
📈 Tranco rank: #790,389

MX for

zusbnp.cz
zsrudikov.cz
mspelhrimov.cz
ucimse.cz
mskrucemburk.cz
jiskrahb.cz
just4web.eu
obecsazavka.cz
just4web.cz
zsamszichlinek.cz

Same first word

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xm.hk.cn
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xm.pl
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DNS History

2 records (2 active, 0 former)

A2a01:28:ca:112::1:105746.234.108.35
●A2a01:28:ca:112::1:10572026-02-18 → 2026-07-15 · 2 obs
● 2026-02-18 15:57:58
● 2026-07-15 18:39:22
●A46.234.108.352026-02-18 → 2026-07-15 · 2 obs
● 2026-02-18 15:57:58
● 2026-07-15 18:39:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz-
just4web.czindie.ns.cloudflare.com, jaziel.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.55

NS records: indie.ns.cloudflare.com, jaziel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for just4web.cz (unsigned zone)

⏱️ Timing

Total: 701ms | Queries: -

📄 Records

TypeCountSample Data
A146.234.108.35
AAAA12a01:28:ca:112::1:1057

Analysis

Mail Server Role

mx.just4web.cz serves as a mail server for zusbnp.cz, zsrudikov.cz, mspelhrimov.cz, ucimse.cz, mskrucemburk.cz and a few other domains.

mx.just4web.eu and mx.just4web.cz are commonly paired as mail servers.

IP Addresses

mx.just4web.cz resolves to the IP addresses 46.234.108.35 and 2a01:28:ca:112::1:1057

mx.just4web.eu, mx.just4web.net and mch06.vas-server.cz are examples of other host names that share IP numbers with mx.just4web.cz.