jtbopen.cz - robtex.com

jtbopen.cz

DNSSEC🔒 Signed (DS record present)
A2a01:28:ca:112::1:1884🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
PTRdvi08.vas-server.cz
A95.168.212.14🇨🇿 SuperNetwork95.168.192.0/19 s.r.o.
NSns.vas-hosting.cz ⭐
A2a01:28:ca:112::1:4🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
PTRns.vas-hosting.cz
A95.168.209.105🇨🇿 SuperNetwork95.168.192.0/19 s.r.o.
NSns.vas-hosting.com
A2a01:4f8:c0c:1fbf::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.vas-hosting.com
A78.47.104.13🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRns.vas-hosting.com
NSns.vas-hosting.eu
A2a01:430:100:57::25🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ
PTRns.vas-hosting.eu
A83.167.224.189🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5
PTRns.vas-hosting.eu
MXdvi08.vas-server.cz ⭐
A2a01:28:ca:112::1:1884🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
PTRdvi08.vas-server.cz
A95.168.212.14🇨🇿 SuperNetwork95.168.192.0/19 s.r.o.
TXTv=spf1 a mx ?all
SOAns.vas-hosting.czinfo@vas-hosting.cz serial=2603150725

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=1777079834

Same first word

jtbopen.cz

DNS History

11 records (6 active, 5 former)

201820192020202120222023202420252026NSns.vas-hosting.comns.vas-hosting.czns.vas-hosting.euns1.cms2u.czns1.hosting2u.czroot.jtbopen.czMXdvi08.vas-server.czmail.jtbopen.czA2a01:28:ca:112::1:188495.168.212.1477.93.222.73
●NSns.vas-hosting.com2026-03-26 → 2026-04-25 · 3 obs
○ 2017-05-07 15:33:30
● 2026-03-26 07:30:22
● 2026-04-25 01:48:54
●NSns.vas-hosting.cz2026-03-26 → 2026-04-25 · 3 obs
○ 2017-05-07 15:33:30
● 2026-03-26 07:30:22
● 2026-04-25 01:48:54
●NSns.vas-hosting.eu2026-03-26 → 2026-04-25 · 3 obs
○ 2017-05-07 15:33:30
● 2026-03-26 07:30:22
● 2026-04-25 01:48:54
○NSns1.cms2u.cz2017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 15:33:30
○ 2026-03-26 07:30:22
○ 2026-04-25 01:48:54
○NSns1.hosting2u.cz2017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 15:33:30
○ 2026-03-26 07:30:22
○ 2026-04-25 01:48:54
○NSroot.jtbopen.cz2017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 15:33:30
○ 2026-03-26 07:30:22
○ 2026-04-25 01:48:54
●MXdvi08.vas-server.cz2026-03-26 → 2026-04-25 · 3 obs
○ 2017-05-07 15:33:30
● 2026-03-26 07:30:22
● 2026-04-25 01:48:54
○MXmail.jtbopen.cz2017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 15:33:30
○ 2026-03-26 07:30:22
○ 2026-04-25 01:48:54
●A2a01:28:ca:112::1:18842026-03-26 → 2026-04-25 · 3 obs
○ 2017-05-07 15:33:30
● 2026-03-26 07:30:22
● 2026-04-25 01:48:54
○A77.93.222.732017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 15:33:30
○ 2026-03-26 07:30:22
○ 2026-04-25 01:48:54
●A95.168.212.142026-03-26 → 2026-04-25 · 3 obs
○ 2017-05-07 15:33:30
● 2026-03-26 07:30:22
● 2026-04-25 01:48:54

🔍 DNS Trace

Analysis

IP Addresses

Two IP numbers are pointed to by jtbopen.cz: 2a01:28:ca:112::1:1884 and 95.168.212.14.

other host names include mohila.cz, matmat.cz, marandy.cz, mbusiness.cz and imagecz.cz; they share IP numbers with jtbopen.cz.

Name Servers

jtbopen.cz is delegated to three name servers ns.vas-hosting.com, ns.vas-hosting.cz and ns.vas-hosting.eu.

jtbopen.cz at least partially shares name servers with other domains, for instance avaxblog.com, mistecko.cz, gotauthentic.com, 128-135.197.93.77.in-addr.arpa and tira.hu.

These name servers are commonly used alongside ns1.nody.cz, ns2.nody.cz and ns3.nody.cz.

Host names with two IP numbers:

ns.vas-hosting.com points to 2a01:4f8:c0c:1fbf::1 and 78.47.104.13; ns.vas-hosting.cz points to 2a01:28:ca:112::1:4 and 95.168.209.105; ns.vas-hosting.eu points to 2a01:430:100:57::25 and 83.167.224.189.

Mail Servers

jtbopen.cz is handled by a single mail server, dvi08.vas-server.cz.

jtbopen.cz uses the same mail server setup as other domains, for instance aktip.cz, iserialy.sk, alexcars.cz, annaberg.cz and irakovina.cz.

jtbopen.cz shares at least partially some mail servers with other domains, for instance policie.cr, praguepe.cz, hry.online, rkprim.cz and charitacb.cz.

dvi08.vas-server.cz resolves to two IPs: 2a01:28:ca:112::1:1884 and 95.168.212.14.