cbsf.cz - robtex.com

cbsf.cz

DNSSEC🔒 Signed (DS record present)
A2001:1ab0:7e1e:150:62:109:150:73🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRdw148.webglobe.com
A62.109.150.73🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
NSns.onebit.cz ⭐
A2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48
PTRns1-bra.core.webglobe.com
A185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24
PTRns1-bra.core.webglobe.com
NSns.onebit.eu
A2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
A217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
NSns.onebit.org
A2a03:b0c0:1:d0::1090:2001🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean
PTRns3-lon.core.webglobe.com
A178.62.60.201🇬🇧 DIGITALOCEAN178.62.0.0/18 DigitalOcean
PTRns3-lon.core.webglobe.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1f::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpd-in-f26.1e100.net
A142.251.179.26🇺🇸 Google142.251.179.0/24
PTRpd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTgoogle-site-verification=OplldrMKOtD5XZqxbMgLCNSF-CthDPXaO5J7-4pOH3U
SOAns.onebit.czhostmaster@onebit.cz 2026-07-06 #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=1784168239

Same first word

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cbsf.cz

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DNS History

10 records (10 active, 0 former)

NSns.onebit.czns.onebit.euns.onebit.orgMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA2001:1ab0:7e1e:150:62:109:150:7362.109.150.73
●NSns.onebit.cz2026-04-27 → 2026-07-16 · 2 obs
● 2026-04-27 13:17:34
● 2026-07-16 02:28:50
●NSns.onebit.eu2026-04-27 → 2026-07-16 · 2 obs
● 2026-04-27 13:17:34
● 2026-07-16 02:28:50
●NSns.onebit.org2026-04-27 → 2026-07-16 · 2 obs
● 2026-04-27 13:17:34
● 2026-07-16 02:28:50
●MXalt1.aspmx.l.google.com2026-04-27 → 2026-07-16 · 4 obs
● 2026-04-27 13:17:34
○ 2026-07-01 09:29:20
● 2026-07-16 02:28:48
● 2026-07-16 02:28:50
●MXalt2.aspmx.l.google.com2026-04-27 → 2026-07-16 · 4 obs
● 2026-04-27 13:17:34
○ 2026-07-01 09:29:20
● 2026-07-16 02:28:48
● 2026-07-16 02:28:50
●MXalt3.aspmx.l.google.com2026-04-27 → 2026-07-16 · 4 obs
● 2026-04-27 13:17:34
○ 2026-07-01 09:29:20
● 2026-07-16 02:28:48
● 2026-07-16 02:28:50
●MXalt4.aspmx.l.google.com2026-04-27 → 2026-07-16 · 4 obs
● 2026-04-27 13:17:34
○ 2026-07-01 09:29:20
● 2026-07-16 02:28:48
● 2026-07-16 02:28:50
●MXaspmx.l.google.com2026-04-27 → 2026-07-16 · 4 obs
● 2026-04-27 13:17:34
○ 2026-07-01 09:29:20
● 2026-07-16 02:28:48
● 2026-07-16 02:28:50
●A2001:1ab0:7e1e:150:62:109:150:732026-04-27 → 2026-07-16 · 4 obs
● 2026-04-27 13:17:34
○ 2026-07-01 09:29:20
● 2026-07-16 02:28:48
● 2026-07-16 02:28:50
●A62.109.150.732026-04-27 → 2026-07-16 · 4 obs
● 2026-04-27 13:17:34
○ 2026-07-01 09:29:20
● 2026-07-16 02:28:48
● 2026-07-16 02:28:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czc.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
cbsf.czns.onebit.cz, ns.onebit.eu, ns.onebit.org2 records

✅ Authoritative Response

Server:185.65.223.35

NS records: ns.onebit.cz, ns.onebit.eu, ns.onebit.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1130ms | Queries: -

📄 Records

TypeCountSample Data
A162.109.150.73
AAAA12001:1ab0:7e1e:150:62:109:150:73
NS3ns.onebit.org, ns.onebit.eu...
MX5aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...
TXT1google-site-verification=OplldrMKOtD5XZq
SOA1ns.onebit.cz hostmaster.onebit.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.onebit.cz, ns.onebit.cz)

Analysis

IP Addresses

cbsf.cz directs to two IP numbers, 62.109.150.73 and 2001:1ab0:7e1e:150:62:109:150:73

nabytektrcka.cz, moje-smecka.cz, www.metallic-technologies.cz and two other host names share IP numbers with cbsf.cz.

Name Servers

cbsf.cz is served by three name servers: ns.onebit.cz, ns.onebit.eu and ns.onebit.org.

cbsf.cz shares at least some of its name servers with other domains, including nordline.eu, zubnistudio.cz, niksped.cz and two others.

The hostnames ns.onebit.cz, ns.onebit.eu and ns.onebit.org each direct to two IP addresses — ns.onebit.cz to 185.65.223.35 and 2a00:1e40:a:53::5, ns.onebit.eu to 217.31.48.201 and 2001:1ab0:7e1e:2::5, and ns.onebit.org to 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001.

Mail Servers

Mail for cbsf.cz is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

cbsf.cz has at least partial mail server overlap with other domains such as ns500698.ns500698.ns500758.ns500698.ns500698.ns500736.ns500736.ns500736.ns500576.ns500698.ns500708.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500734.ns500693.ns500734.ns500699.ns500734.ns500693.ns500588.ns500683.ns500632.ns500588.ns500588.ns500632.ns500632.ns500110.dtrkdll.com, ns500758.ns500759.ns500698.ns500698.ns500698.ns500735.ns500698.ns500736.ns500708.ns500576.ns500698.ns500619.ns500619.ns500576.trackreceptor.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

The A records for aspmx.l.google.com return 142.251.179.26 and 2607:f8b0:4004:c1f::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.