fzv.cz - robtex.com

fzv.cz

DNSSEC🔒 Signed (DS record present)
A2a00:4b40:aaaa:2011::6🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
A37.9.175.211🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24
NSns1.websupport.cz ⭐
A2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns1.websupport.eu
A45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns1.websupport.eu
NSns2.websupport.cz
A2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48
PTRns2.websupport.eu
A185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24
PTRns2.websupport.eu
NSns3.websupport.eu
A2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns3.websupport.eu
A45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns3.websupport.eu
MXmailin1.fzv.cz ⭐
A2a00:4b40:aaaa:2101:45:13:137:110🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRmx10.websupport.sk
A45.13.137.103🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u5-mx.websupport.cz
MXmailin2.fzv.cz(100)
A2a00:4b40:aaaa:2101:45:13:137:104🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRmx20.websupport.cz
A45.13.137.113🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRm1-u6-mx.websupport.hu
SOAns1.websupport.czadmin@websupport.cz serial=1764977046

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1778302034
WOT: SAFE (60/100)

Subdomains

cz.fzv.cz

Same first word

fzv.net
fzv.nl
fzv.cz
fzv.in
fzv.ca
fzv.vn
fzv.at
fzv.ch
fzv.com

Similar names

vfz.cc
vzf.lt
vzf.berlin
fvz.pl
vfz.in
zfv.ch
vzf.at
zfv.cc
vfz.ir
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fvz.com
vzf.com
zvf.co
zfv.net
zvf.org
fvz.de
zfv.org
fvz.co.uk
fvz.eu
vfz.net
zfv.at
zvf.ro
vfz.pl
vfz.cn
zvf.dk
zvf.it
vfz.de
zvf.info
vzf.pl
fvz.io
zfv.es
vfz.biz
zfv.pl
zfv.it
zfv.de
vzf.de
zvf.net
vzf.it
fvz.org
zfv.eu
fvz.cz
vzf.be
vfz.jp
vzf.net
vfz.it
zvf.ru
vzf.fr
fvz.net
zvf.hu
vfz.ch
fvz.at
vzf.ch
zfv.nl
zvf.de
fvz.it
fvz.ch

DNS History

20 records (7 active, 13 former)

201020122014201620182020202220242026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czdns.lundegaard.czgama.ns.active24.sksns.lundegaard.czMXmailin1.fzv.czmailin2.fzv.czin.smtp.czmailhost.lundegaard.czmx.smtp.czmx1.active24.commx2.active24.comA2a00:4b40:aaaa:2011::637.9.175.211195.70.151.1702a02:4a8:ac24:110::10:1631.15.10.16
○NSalfa.ns.active24.cz2015-07-19 → 2020-10-15 · 5 obs
○ 2009-01-14 00:01:24
● 2015-07-19 11:05:20
● 2020-10-15 03:58:58
○ 2026-04-09 04:05:44
○ 2026-05-09 05:30:14
○NSbeta.ns.active24.cz2015-07-19 → 2020-10-15 · 5 obs
○ 2009-01-14 00:01:24
● 2015-07-19 11:05:20
● 2020-10-15 03:58:58
○ 2026-04-09 04:05:44
○ 2026-05-09 05:30:14
○NSdns.lundegaard.cz2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:01:24
○ 2015-07-19 11:05:20
○ 2026-05-09 05:30:14
○NSgama.ns.active24.sk2015-07-19 → 2020-10-15 · 5 obs
○ 2009-01-14 00:01:24
● 2015-07-19 11:05:20
● 2020-10-15 03:58:58
○ 2026-04-09 04:05:44
○ 2026-05-09 05:30:14
●NSns1.websupport.cz2026-04-09 → 2026-05-09 · 3 obs
○ 2020-10-15 03:58:58
● 2026-04-09 04:05:44
● 2026-05-09 05:30:14
●NSns2.websupport.cz2026-04-09 → 2026-05-09 · 3 obs
○ 2020-10-15 03:58:58
● 2026-04-09 04:05:44
● 2026-05-09 05:30:14
●NSns3.websupport.eu2026-04-09 → 2026-05-09 · 3 obs
○ 2020-10-15 03:58:58
● 2026-04-09 04:05:44
● 2026-05-09 05:30:14
○NSsns.lundegaard.cz2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:01:24
○ 2015-07-19 11:05:20
○ 2026-05-09 05:30:14
○MXin.smtp.cz2015-07-19 → 2017-01-13 · 5 obs
○ 2009-01-14 00:01:24
● 2015-07-19 11:05:20
● 2017-01-13 16:16:34
○ 2018-01-11 21:02:10
○ 2026-05-09 05:30:14
○MXmailhost.lundegaard.cz2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:01:24
○ 2015-07-19 11:05:20
○ 2026-05-09 05:30:14
●MXmailin1.fzv.cz2026-04-09 → 2026-05-09 · 3 obs
○ 2020-10-15 03:58:58
● 2026-04-09 04:05:44
● 2026-05-09 05:30:14
●MXmailin2.fzv.cz2026-04-09 → 2026-05-09 · 3 obs
○ 2020-10-15 03:58:58
● 2026-04-09 04:05:44
● 2026-05-09 05:30:14
○MXmx.smtp.cz2015-07-19 → 2017-01-13 · 5 obs
○ 2009-01-14 00:01:24
● 2015-07-19 11:05:20
● 2017-01-13 16:16:34
○ 2018-01-11 21:02:10
○ 2026-05-09 05:30:14
○MXmx1.active24.com2018-01-11 → 2020-10-15 · 5 obs
○ 2017-01-13 16:16:34
● 2018-01-11 21:02:10
● 2020-10-15 03:58:58
○ 2026-04-09 04:05:44
○ 2026-05-09 05:30:14
○MXmx2.active24.com2018-01-11 → 2020-10-15 · 5 obs
○ 2017-01-13 16:16:34
● 2018-01-11 21:02:10
● 2020-10-15 03:58:58
○ 2026-04-09 04:05:44
○ 2026-05-09 05:30:14
○A195.70.151.1702009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:01:24
○ 2015-07-19 11:05:20
○ 2026-05-09 05:30:14
●A2a00:4b40:aaaa:2011::62026-04-09 → 2026-05-09 · 3 obs
○ 2020-10-15 03:58:58
● 2026-04-09 04:05:44
● 2026-05-09 05:30:14
○A2a02:4a8:ac24:110::10:162015-07-19 → 2020-10-15 · 5 obs
○ 2009-01-14 00:01:24
● 2015-07-19 11:05:20
● 2020-10-15 03:58:58
○ 2026-04-09 04:05:44
○ 2026-05-09 05:30:14
○A31.15.10.162015-07-19 → 2020-10-15 · 5 obs
○ 2009-01-14 00:01:24
● 2015-07-19 11:05:20
● 2020-10-15 03:58:58
○ 2026-04-09 04:05:44
○ 2026-05-09 05:30:14
●A37.9.175.2112026-04-09 → 2026-05-09 · 3 obs
○ 2020-10-15 03:58:58
● 2026-04-09 04:05:44
● 2026-05-09 05:30:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
fzv.czns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1309ms | Queries: -

📄 Records

TypeCountSample Data
A137.9.175.211
AAAA12a00:4b40:aaaa:2011::6
NS3ns1.websupport.cz, ns2.websupport.cz...
MX2mailin1.fzv.cz (pri: 10), mailin2.fzv.cz (pri: 100)
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

Hierarchy

fzv.cz is a parent of cz.fzv.cz.

IP Addresses

fzv.cz points to two IP numbers: 2a00:4b40:aaaa:2011::6 and 37.9.175.211.

Other host names such as www.rnpartner.cz, gaggia.cz, seniorskydum.cz, bmbike.cz and dimer-seal.biz share IP numbers with fzv.cz.

Name Servers

fzv.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

At least part of the name servers for fzv.cz are shared with other domains, for instance geoplan.cz, modemtec.eu, vtdata.cz, office-center.cz and oamb.cz.

Host names with two IP numbers:

ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11

ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12

ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13

Mail Servers

fzv.cz is handled by two mail servers: mailin1.fzv.cz and mailin2.fzv.cz.

Host names with two IP numbers:

mailin1.fzv.cz points to 2a00:4b40:aaaa:2101:45:13:137:110 and 45.13.137.103.

mailin2.fzv.cz points to 2a00:4b40:aaaa:2101:45:13:137:104 and 45.13.137.113.