jbt.cz - robtex.com

jbt.cz

DNSSEC⚠️ Not signed
A89.221.213.99🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.
PTRhc1-wd98.wedos.net
NSns.wedos.net ⭐
A2600:9000:a419:5a54:19f7:a614:36fd:2825🇺🇸 Amazon2600:9000:a400::/43
PTRad9dd12915aba1261.dualstack.awsglobalaccelerator.com
A2600:9000:a705:25bb:c632:5e5a:dd9c:1e46🇺🇸 Amazon2600:9000:a700::/43
PTRad9dd12915aba1261.dualstack.awsglobalaccelerator.com
A75.2.92.86🇺🇸 Amazon75.2.80.0/20
PTRad9dd12915aba1261.awsglobalaccelerator.com
A99.83.142.9🇺🇸 Amazon99.83.128.0/20
PTRad9dd12915aba1261.awsglobalaccelerator.com
NSns.wedos.com
A2a0e:acc0:1::cafe:cafe:cafe🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48
PTRns.wedos.com
PTRwedos-global-ns-6n17kbh1.wedos.com
PTRwedos-global-ns-71hgaw0d.wedos.com
PTRwedos-global-ns-a375snkv.wedos.com
PTRwedos-global-ns-pog01mcx.wedos.com
A45.138.106.0🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global
PTRns.wedos.com
PTRwedos-global-ns-6n17kbh1.wedos.com
PTRwedos-global-ns-71hgaw0d.wedos.com
PTRwedos-global-ns-a375snkv.wedos.com
PTRwedos-global-ns-pog01mcx.wedos.com
NSns.wedos.cz
A2a0e:acc0:1::caff:caff:cafb🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48
PTRns.wedos.cz
PTRwedos-global-ns-6n17kbh1.wedos.cz
PTRwedos-global-ns-71hgaw0d.wedos.cz
PTRwedos-global-ns-a375snkv.wedos.cz
PTRwedos-global-ns-pog01mcx.wedos.cz
PTRns.wedos.lu
A2a0e:acc0:2::c:1:c1🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48
PTRns.wedos.cz
PTRwedos-global-ns-6n17kbh1.wedos.cz
PTRwedos-global-ns-71hgaw0d.wedos.cz
PTRwedos-global-ns-a375snkv.wedos.cz
PTRwedos-global-ns-pog01mcx.wedos.cz
PTRns.wedos.lu
A45.138.106.1🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global
PTRns.wedos.cz
PTRwedos-global-ns-6n17kbh1.wedos.cz
PTRwedos-global-ns-71hgaw0d.wedos.cz
PTRwedos-global-ns-a375snkv.wedos.cz
PTRwedos-global-ns-pog01mcx.wedos.cz
PTRns.wedos.lu
A185.8.238.1🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global
PTRns.wedos.cz
PTRwedos-global-ns-6n17kbh1.wedos.cz
PTRwedos-global-ns-71hgaw0d.wedos.cz
PTRwedos-global-ns-a375snkv.wedos.cz
PTRwedos-global-ns-pog01mcx.wedos.cz
PTRns.wedos.lu
NSns.wedos.eu
A2a0e:acc0:2::b:1:b1🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48
PTRns.wedos.eu
PTRwedos-global-ns-6n17kbh1.wedos.eu
PTRwedos-global-ns-71hgaw0d.wedos.eu
PTRwedos-global-ns-a375snkv.wedos.eu
PTRwedos-global-ns-pog01mcx.wedos.eu
A185.8.238.0🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global
PTRns.wedos.eu
PTRwedos-global-ns-6n17kbh1.wedos.eu
PTRwedos-global-ns-71hgaw0d.wedos.eu
PTRwedos-global-ns-a375snkv.wedos.eu
PTRwedos-global-ns-pog01mcx.wedos.eu
MXwes1-mx1.wedos.net ⭐
A46.28.106.11🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.
PTRwes1-mx1.wedos.net
MXwes1-mx2.wedos.net ⭐
A46.28.106.12🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.
PTRwes1-mx2.wedos.net
MXwes1-mx-backup.wedos.net(10)
A46.28.106.56🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.
PTRwes1-mx-backup.wedos.net
SOAns.wedos.netwedos@wedos.com 2022-04-12 #1

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=1785354441

Subdomains

mx.jbt.cz

Same first word

jbt.pl
jbt.co.nz
jbt.lol
jbt.ca
jbt.dk
jbt.mobi
jbt.bank
jbt.ir
jbt.pw
jbt.cz
jbt.co.il
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jbt.io
jbt.co
jbt.co.uk
jbt.fr
jbt.us
jbt.co.in
jbt.be
jbt.me
jbt.com
jbt.com.au
jbt.de
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jbt.com.ar
jbt.se
jbt.ee
jbt.legal
jbt.sk
jbt.in
jbt.org
jbt.net
jbt.at
jbt.net.au
jbt.fi

Similar names

tbj.com
tbj.pl
tbj.me
bjt.de
bjt.com
btj.org.au
bjt.cc
jtb.dk
bjt.org
tjb.de
btj.eu
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btj.no
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tbj.casino
jtb.co.kr
bjt.xen.prgmr.com
tjb.com.my
jtb.be
btj.com.vn
bjt.no
jtb.media
jtb.co.nz
btj.com
bjt.at
btj.vn
tjb.it
btj.it
tjb.sg
tbj.cn
jtb.ne.jp
tbj.fr
btj.fi
bjt.net.cn
bjt.us
tbj.si
tjb.se
jtb.com
btj.org.cn
bjt.co
jtb.net.au
jtb.co.uk
jtb.com.sg
jtb.sk
jtb.cn
tjb.dk
jtb.cz
btj.cn
jtb.fr
jtb.com.cn
tbj.jp
tjb.me
bjt.ch
jtb.de
jtb.kr
tbj.de
btj.us
bjt.ca
tbj.se
bjt.ru
bjt.co.id
btj.ca
btj.co
jtb.com.mx
tbj.org
tbj.ru
tjb.be
tjb.in
jtb.se
jtb.gov.ng
jtb.co.jp
jtb.click
tbj.aero
jtb.cat
btj.ru
btj.in
bjt.eu
jtb.xyz
tjb.ch
jtb.org
btj.org
tjb.com
bjt.me
btj.co.jp
bjt.com.br
jtb.com.hk
jtb.jp
btj.de
tbj.co
tjb.eu
tjb.id
bjt.dk
btj.cz
tbj.at
jtb.or.jp
jtb.net.nz
jtb.net
tjb.co.kr
tbj.us
jtb.es
tjb.ru
btj.nl
bjt.ee
bjt.name
bjt.be
btj.net
btj.info.pl
jtb.name
jtb.co
jtb.ca
tbj.ca
tjb.co
btj.dk
jtb.com.au
tjb.io
tbj.com.br
tbj.net
tjb.cz
jtb.no
tjb.com.au
jtb.nl
btj.se
tjb.co.uk
jtb.pt
bjt.nl
jtb.ch
tjb.cn
btj.hu
bjt.net
jtb.ir
jtb.at
jtb.nu

DNS History

21 records (8 active, 13 former)

20162017201820192020202120222023202420252026NSns.wedos.comns.wedos.czns.wedos.euns.wedos.netns.gransy.comns.kraxnet.comns.kraxnet.czns2.gransy.comns3.gransy.comns4.gransy.comns5.gransy.comMXwes1-mx-backup.wedos.netwes1-mx1.wedos.netwes1-mx2.wedos.netmail.jbt.czmx.jbt.czA89.221.213.99178.217.244.3577.78.104.382.113.55.12182.113.55.91
○NSns.gransy.com2020-11-11 → 2020-11-11 · 4 obs
○ 2016-11-01 23:38:38
● 2020-11-11 22:34:14
○ 2021-05-22 22:30:46
○ 2026-07-29 20:10:20
○NSns.kraxnet.com2015-08-20 → 2016-11-01 · 4 obs
● 2015-08-20 22:52:50
● 2016-11-01 23:38:38
○ 2020-11-11 22:34:14
○ 2026-07-29 20:10:20
○NSns.kraxnet.cz2015-08-20 → 2016-11-01 · 4 obs
● 2015-08-20 22:52:50
● 2016-11-01 23:38:38
○ 2020-11-11 22:34:14
○ 2026-07-29 20:10:20
●NSns.wedos.com2021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20
●NSns.wedos.cz2021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20
●NSns.wedos.eu2021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20
●NSns.wedos.net2021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20
○NSns2.gransy.com2020-11-11 → 2020-11-11 · 4 obs
○ 2016-11-01 23:38:38
● 2020-11-11 22:34:14
○ 2021-05-22 22:30:46
○ 2026-07-29 20:10:20
○NSns3.gransy.com2020-11-11 → 2020-11-11 · 4 obs
○ 2016-11-01 23:38:38
● 2020-11-11 22:34:14
○ 2021-05-22 22:30:46
○ 2026-07-29 20:10:20
○NSns4.gransy.com2020-11-11 → 2020-11-11 · 4 obs
○ 2016-11-01 23:38:38
● 2020-11-11 22:34:14
○ 2021-05-22 22:30:46
○ 2026-07-29 20:10:20
○NSns5.gransy.com2020-11-11 → 2020-11-11 · 4 obs
○ 2016-11-01 23:38:38
● 2020-11-11 22:34:14
○ 2021-05-22 22:30:46
○ 2026-07-29 20:10:20
○MXmail.jbt.cz2020-11-11 → 2020-11-11 · 4 obs
○ 2016-11-01 23:38:38
● 2020-11-11 22:34:14
○ 2021-05-22 22:30:46
○ 2026-07-29 20:10:20
○MXmx.jbt.cz2015-08-20 → 2016-11-01 · 4 obs
● 2015-08-20 22:52:50
● 2016-11-01 23:38:38
○ 2020-11-11 22:34:14
○ 2026-07-29 20:10:20
●MXwes1-mx-backup.wedos.net2021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20
●MXwes1-mx1.wedos.net2021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20
●MXwes1-mx2.wedos.net2021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20
○A178.217.244.352016-07-06 → 2016-11-01 · 5 obs
○ 2016-03-12 13:50:00
● 2016-07-06 02:18:40
● 2016-11-01 23:38:38
○ 2020-11-11 22:34:14
○ 2026-07-29 20:10:20
○A77.78.104.32020-11-11 → 2020-11-11 · 4 obs
○ 2016-11-01 23:38:38
● 2020-11-11 22:34:14
○ 2021-05-22 22:30:46
○ 2026-07-29 20:10:20
○A82.113.55.1212015-08-20 → 2016-03-12 · 4 obs
● 2015-08-20 22:52:50
● 2016-03-12 13:50:00
○ 2016-07-06 02:18:40
○ 2026-07-29 20:10:20
○A82.113.55.912015-08-20 → 2016-03-12 · 4 obs
● 2015-08-20 22:52:50
● 2016-03-12 13:50:00
○ 2016-07-06 02:18:40
○ 2026-07-29 20:10:20
●A89.221.213.992021-05-22 → 2026-07-29 · 3 obs
○ 2020-11-11 22:34:14
● 2021-05-22 22:30:46
● 2026-07-29 20:10:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czc.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz8 records
jbt.czns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net4 records

✅ Authoritative Response

Server:45.138.106.0

NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jbt.cz (unsigned zone)

⏱️ Timing

Total: 716ms | Queries: -

📄 Records

TypeCountSample Data
A189.221.213.99
NS4ns.wedos.com, ns.wedos.net...
MX3wes1-mx2.wedos.net (pri: 1), wes1-mx-backup.wedos.net (pri: 10)...
SOA1ns.wedos.net wedos.wedos.com

📌 Glue Records Collected

Total: 12

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

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

Hierarchy

jbt.cz serves as the parent of mx.jbt.cz.

IP Addresses

jbt.cz resolves to just one IP address, 89.221.213.99.

Two other host names, along with mail.fnt.cz, mx.upr.cz and uak.cz, also share IP numbers with jbt.cz.

Name Servers

The NS records for jbt.cz point to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

jbt.cz has at least partial name server overlap with other domains, such as uww.cz, posluzby.cz, vevik.cz and two others.

Host names that resolve to four IP numbers:

ns.wedos.cz has four IP addresses: 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.

ns.wedos.net has four IP addresses: 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.

Host names that have two IP addresses:

ns.wedos.com has two IP addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.

ns.wedos.eu has two IP addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.

Mail Servers

jbt.cz has three mail servers: wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net.

There is at least a partial MX overlap between jbt.cz and other domains, including spt.pb.cz, webprofi.cz, datt.cz and two others.

wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net all have one IP address each — wes1-mx-backup.wedos.net directs to 46.28.106.56, wes1-mx1.wedos.net directs to 46.28.106.11 and wes1-mx2.wedos.net directs to 46.28.106.12.