2bgroup.cz - robtex.com

2bgroup.cz

DNSSEC🔒 Signed (DS record present)
A2a00:19a0:3:72:0:d9c6:72ae:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRwp3.zarea.net
A217.198.114.174🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET
NSns1.regzone.cz ⭐
A2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRns1.regzone.cz
A217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET
PTRns1.regzone.cz
NSns1.regzone.de
A2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies
PTRns1.regzone.de
A23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies
PTRns1.regzone.de
NSns1.regzone.info
A2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.regzone.info
A81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT
PTRns1.regzone.info
SOAns1.regzone.czadministrator@czechia.cz 2026-03-12 #6

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=1774925239

Same first word

2bgroup.it
2bgroup.ru
2bgroup.net
2bgroup.nl
2bgroup.cz
2bgroup.com

Similar names

group2b.com
group2b.com.tr
grupob2.com.br
b2group.org
b2group.sk
b2group.net

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSns1.regzone.czns1.regzone.dens1.regzone.infons.gransy.comns2.gransy.comns3.gransy.comns4.gransy.comns5.gransy.comMXmail.2bgroup.czA217.198.114.1742a00:19a0:3:72:0:d9c6:72ae:12a00:1ed0:2:1:1:5bef:cb1a:131.31.76.10391.239.203.26
○NSns.gransy.com2015-07-24 → 2018-06-29 · 4 obs
● 2015-07-24 05:56:32
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18
●NSns1.regzone.cz2026-02-20 → 2026-03-31 · 3 obs
○ 2018-06-29 18:52:56
● 2026-02-20 14:00:02
● 2026-03-31 02:59:18
●NSns1.regzone.de2026-02-20 → 2026-03-31 · 3 obs
○ 2018-06-29 18:52:56
● 2026-02-20 14:00:02
● 2026-03-31 02:59:18
●NSns1.regzone.info2026-02-20 → 2026-03-31 · 3 obs
○ 2018-06-29 18:52:56
● 2026-02-20 14:00:02
● 2026-03-31 02:59:18
○NSns2.gransy.com2015-07-24 → 2018-06-29 · 4 obs
● 2015-07-24 05:56:32
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18
○NSns3.gransy.com2015-07-24 → 2018-06-29 · 4 obs
● 2015-07-24 05:56:32
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18
○NSns4.gransy.com2015-07-24 → 2018-06-29 · 4 obs
● 2015-07-24 05:56:32
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18
○NSns5.gransy.com2015-07-24 → 2018-06-29 · 4 obs
● 2015-07-24 05:56:32
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18
○MXmail.2bgroup.cz2015-07-24 → 2018-06-29 · 4 obs
● 2015-07-24 05:56:32
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18
●A217.198.114.1742026-02-20 → 2026-03-31 · 3 obs
○ 2018-06-29 18:52:56
● 2026-02-20 14:00:02
● 2026-03-31 02:59:18
●A2a00:19a0:3:72:0:d9c6:72ae:12026-02-20 → 2026-03-31 · 3 obs
○ 2018-06-29 18:52:56
● 2026-02-20 14:00:02
● 2026-03-31 02:59:18
○A2a00:1ed0:2:1:1:5bef:cb1a:12017-01-12 → 2018-06-29 · 5 obs
○ 2016-04-30 08:45:16
● 2017-01-12 04:27:24
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18
○A31.31.76.1032015-07-24 → 2016-04-30 · 4 obs
● 2015-07-24 05:56:32
● 2016-04-30 08:45:16
○ 2017-01-12 04:27:24
○ 2026-03-31 02:59:18
○A91.239.203.262017-01-12 → 2018-06-29 · 5 obs
○ 2016-04-30 08:45:16
● 2017-01-12 04:27:24
● 2018-06-29 18:52:56
○ 2026-02-20 14:00:02
○ 2026-03-31 02:59:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czc.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
2bgroup.czns1.regzone.cz, ns1.regzone.de, ns1.regzone.info2 records

✅ Authoritative Response

Server:81.0.233.10

NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 812ms | Queries: -

📄 Records

TypeCountSample Data
A1217.198.114.174
AAAA12a00:19a0:3:72:0:d9c6:72ae:1
NS3ns1.regzone.cz, ns1.regzone.de...
SOA1ns1.regzone.cz administrator.czechia.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)

Analysis

IP Addresses

2bgroup.cz points to two IP numbers: 2a00:19a0:3:72:0:d9c6:72ae:1 and 217.198.114.174.

Other host names, for instance geozet.cz, www.feroplast.cz, psa-trading.com, seifert.cz and agerit.cz share IP numbers with 2bgroup.cz.

Name Servers

2bgroup.cz is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

2bgroup.cz at least partially shares its name servers with other domains, for instance polyx.com, oriwin.cz, vviss.info, adengroup.cz and pragmafin.cz.

Host names with two IP numbers:

ns1.regzone.cz points to: 2a00:19a0:3:71:0:d9c6:710a:1 and 217.198.113.10.

ns1.regzone.de points to: 2600:3c02::f03c:91ff:fedb:a6e7 and 23.92.29.43.

ns1.regzone.info points to: 2001:1528:147::10 and 81.0.233.10.