t21cb.cz
MASTER-AS Master Internet s.r.o., CZ

Seen 3 times between April 25th, 2023 and May 8th, 2024.

General Info Open in Search

Geo	Czech Republic (CZ) —
AS	AS24971 - MASTER-AS Master Internet s.r.o., CZ Note: An IP might be announced by multiple ASs. This is not shown.
Route	185.25.184.0/22 (Route of ASN)
PTR	mail.t21cb.cz(PTR record of primary IP)
IPv4	185.25.184.212

Live Screenshot Hover to expand

Attention: This is a live snapshot of this website, we do not host or control it!

Direct hits
Summary of pages hosted on this domain

IPs 92.62.229.139 | 1x

Domains unifi1.t21cb.cz | 1x

Recent scans (1 total) Show all

	URL	Age	Size		IPs
	unifi1.t21cb.cz	7 months	2 MB	20	2	2

Incoming hits
Summary of pages that talked to this domain

ASNs AS24971 | 2x

IPs 185.25.184.212 | 2x

Domains khscb.cz | 2x

Countries CZ | 2x

Recent scans (2 total) Show all

	URL	Age	Size		IPs
	khscb.cz	9 months	2 MB	35	2	1
	khscb.cz	2 years	249 KB	38	3	2

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Recent screenshots
Screenshots of pages hosted on this domain

Related infrastructure
Summary of infrastructure which pages hosted on this domain frequently talked to

IPs 92.62.229.139 | 1x

Domains unifi1.t21cb.cz | 1x

Recently observed hostnames on 't21cb.cz'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.

Attention: These domains and hostnames were discovered through Certificate Transparency (CT) Logs and have been irrevocably published as part of the public record. There is no mechanism for us or anyone else to remove this information from the Internet.

Related screenshots
Screenshots of pages that talked to this domain

DNS recordsRetrieved via DNS ANY query

A	185.25.184.212 (TTL: 1800)
MX	aspmx.l.google.com (Priority: 1)
MX	alt2.aspmx.l.google.com (Priority: 5)
MX	aspmx3.googlemail.com (Priority: 10)
MX	alt1.aspmx.l.google.com (Priority: 5)
MX	aspmx2.googlemail.com (Priority: 10)
NS	ns.forpsi.cz
NS	ns.forpsi.net
NS	ns.forpsi.it
SOA	ns.forpsi.net hostmaster: admin.forpsi.com / serial: 2024111801 / refresh: 3600 / retry: 1800 / expire: 2592000 / minttl: 3600 /

WHOIS for t21cb.cz


domain:       t21cb.cz
registrant:   SB:TELECOM21CBSU011
admin-c:      ZDENEK_BRODEC_5912
nsset:        FORPSI
keyset:       FORPSI-KS-SUFSF1J4
registrar:    REG-INTERNET-CZ
registered:   08.03.2000 16:51:00
changed:      21.11.2013 21:07:53
expire:       08.03.2025

contact:      SB:TELECOM21CBSU011
org:          TELECOM 21 CB s.r.o.
name:         Miroslav Kukrál
address:      Lipenska 38
address:      Ceske Budejovice
address:      370 01
address:      CZ
registrar:    REG-INTERNET-CZ
created:      10.08.2001 22:13:00
changed:      15.05.2018 21:32:00

contact:      ZDENEK_BRODEC_5912
org:          TELECOM 21 CB s.r.o.
name:         Zdenek Brodec
address:      Lipenska 38
address:      Ceske Budejovice
address:      37001
address:      CZ
registrar:    REG-INTERNET-CZ
created:      23.02.2009 12:18:48
changed:      15.05.2018 21:32:00

nsset:        FORPSI
nserver:      ns.forpsi.net 
nserver:      ns.forpsi.cz (81.2.209.185, 2001:15e8:201:1::d1b9)
nserver:      ns.forpsi.it 
tech-c:       FORPSI
registrar:    REG-INTERNET-CZ
created:      01.10.2007 10:19:47
changed:      11.12.2024 14:34:26

contact:      FORPSI
org:          INTERNET CZ, a.s.
name:         Stefano Cecconi
address:      Ktiš 2
address:      Ktiš
address:      38403
address:      CZ
registrar:    REG-INTERNET-CZ
created:      04.08.2008 14:42:08
changed:      15.05.2018 21:32:00

keyset:       FORPSI-KS-SUFSF1J4
dnskey:       257 3 10 AwEAAbDg+I9Y3Felg7MQsarN1SEEiEKAgwbAeZ0g/pWGhlKpt5cKEXKoz3uhNigJ832wbwtixlH/23Qa8NfLJk57UnsyMHA5elX6oFovGbUD41oCc+PlqLVqKqKmBNp8o03OsHjfreJr4Lo/KflwVYZpTMJQDTvvzqI3zb6G3c1nquuJ5mZ5rtrYDjpUrUKbfEz7lZqRCzGk7vPDjNRsmyhBquo8/+mgIIuQmuHFOO/ufxaQO82nRjqrg2LqddrH7mb4uWrD/uAJQ235Rb29ltku5BIy1zMmTT2/zDp13MR+DhqdpwJA+9Ile+ViPIyaVY0Aq4Nje3/Gm7Xi701Nt4YJ54E=
tech-c:       FORPSI-KEYSET
registrar:    REG-INTERNET-CZ
created:      29.12.2011 05:51:53
changed:      11.12.2018 19:27:01

contact:      FORPSI-KEYSET
org:          INTERNET CZ, a.s.
name:         Stefano Cecconi
address:      Ktiš 2
address:      Ktiš
address:      38403
address:      CZ
registrar:    REG-INTERNET-CZ
created:      12.12.2011 11:16:39
changed:      11.11.2019 10:05:22

t21cb.cz MASTER-AS Master Internet s.r.o., CZ