cb-office.nl - robtex.com

cb-office.nl

DNSSEC🔒 Signed (DS record present)
A127.0.0.1
NSnsauth.myrootnet.com ⭐
A2a0b:3100:200::5🇳🇱 AS229272000::/3
PTRnsauth.myrootnet.com
A81.85.60.5
PTRnsauth.myrootnet.com
NSnsauth.myrootnet.nl
A2a0b:3100:53::10🇳🇱 NL-BIT2a0b:3100::/40 Rootnet Managed Servers BIT-2
A185.173.20.5🇳🇱 NL-BIT185.173.20.0/22
PTRnsauth.myrootnet.nl
MXcboffice-nl0e.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::1🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca04::c🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca09::2🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A2a01:111:f403:ca09::c🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.68.12🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
TXTv=spf1 a mx include:_spf.hostnet.nl include:spf.protection.outlook.com -all
SOAnsauth.myrootnet.comroot@rootnet.nl 2026-07-16 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-07-19 03:00:01 +0000 (EPOCH 1784430001)
SOAns1.dns.nldns@sidn.nl 2026-07-19 #6

Same first word

cb-office.nl

Similar names

bc-office.com
office-cb.com
bc-office.de
bc-office.net
office-bc.in-berlin.de

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSnsauth.myrootnet.comnsauth.myrootnet.nlns.coredns.orgns1.dnstools.nlns1.server.euns2.dnstools.nlns2.server.euMXcboffice-nl0e.mail.protection.outlook.comfallback1.server.eufallback2.server.euA127.0.0.12a00:1478:40:0:13:836:0:177.95.249.4
○NSns.coredns.org2015-05-05 → 2015-05-05 · 3 obs
● 2015-05-05 20:50:54
○ 2015-10-19 19:40:00
○ 2026-07-19 03:34:50
○NSns1.dnstools.nl2015-10-19 → 2017-07-10 · 5 obs
○ 2015-05-05 20:50:54
● 2015-10-19 19:40:00
● 2017-07-10 18:24:48
○ 2026-04-09 00:45:42
○ 2026-07-19 03:34:50
○NSns1.server.eu2015-05-05 → 2015-05-05 · 3 obs
● 2015-05-05 20:50:54
○ 2015-10-19 19:40:00
○ 2026-07-19 03:34:50
○NSns2.dnstools.nl2015-10-19 → 2017-07-10 · 5 obs
○ 2015-05-05 20:50:54
● 2015-10-19 19:40:00
● 2017-07-10 18:24:48
○ 2026-04-09 00:45:42
○ 2026-07-19 03:34:50
○NSns2.server.eu2015-05-05 → 2015-05-05 · 3 obs
● 2015-05-05 20:50:54
○ 2015-10-19 19:40:00
○ 2026-07-19 03:34:50
●NSnsauth.myrootnet.com2026-04-09 → 2026-07-19 · 3 obs
○ 2017-07-10 18:24:48
● 2026-04-09 00:45:42
● 2026-07-19 03:34:50
●NSnsauth.myrootnet.nl2026-04-09 → 2026-07-19 · 3 obs
○ 2017-07-10 18:24:48
● 2026-04-09 00:45:42
● 2026-07-19 03:34:50
●MXcboffice-nl0e.mail.protection.outlook.com2015-05-05 → 2026-07-19 · 2 obs
● 2015-05-05 20:50:54
● 2026-07-19 03:34:50
○MXfallback1.server.eu2015-05-05 → 2015-05-05 · 3 obs
● 2015-05-05 20:50:54
○ 2015-10-19 19:40:00
○ 2026-07-19 03:34:50
○MXfallback2.server.eu2015-05-05 → 2015-05-05 · 3 obs
● 2015-05-05 20:50:54
○ 2015-10-19 19:40:00
○ 2026-07-19 03:34:50
●A127.0.0.12026-04-09 → 2026-07-19 · 3 obs
○ 2017-07-10 18:24:48
● 2026-04-09 00:45:42
● 2026-07-19 03:34:50
○A2a00:1478:40:0:13:836:0:12015-05-05 → 2015-05-05 · 3 obs
● 2015-05-05 20:50:54
○ 2015-10-19 19:40:00
○ 2026-07-19 03:34:50
○A77.95.249.42015-05-05 → 2017-07-10 · 4 obs
● 2015-05-05 20:50:54
● 2017-07-10 18:24:48
○ 2026-04-09 00:45:42
○ 2026-07-19 03:34:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
cb-office.nlnsauth.myrootnet.com, nsauth.myrootnet.nl2 records

✅ Authoritative Response

Server:185.173.20.5

NS records: nsauth.myrootnet.com, nsauth.myrootnet.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 573ms | Queries: -

📄 Records

TypeCountSample Data
A1127.0.0.1
NS2nsauth.myrootnet.nl, nsauth.myrootnet.com
MX1cboffice-nl0e.mail.protection.outlook.co
TXT1v=spf1 a mx include:_spf.hostnet.nl incl
SOA1nsauth.myrootnet.com root.rootnet.nl

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsauth.myrootnet.nl, nsauth.myrootnet.nl)

Analysis

IP Addresses

cb-office.nl resolves to one IP address: 127.0.0.1.

vps-cloud.co, markebersole.com, dos.kafedns.com and two other host names share IP numbers with cb-office.nl.

Name Servers

cb-office.nl uses two name servers for its delegation: nsauth.myrootnet.com and nsauth.myrootnet.nl.

cb-office.nl uses the same name servers as several other domains — among them basissite.nl, combrok.nl, klarekoek.nl and two more.

The name servers for cb-office.nl are partially shared with other domains like slotenexpert.be, jiu-jitsu-gent.be and garderobekastspecialist.com

The two host names nsauth.myrootnet.com and nsauth.myrootnet.nl each have a pair of IP addresses: nsauth.myrootnet.com has 81.85.60.5 and 2a0b:3100:200::5, and nsauth.myrootnet.nl has 185.173.20.5 and 2a0b:3100:53::10.

Mail Servers

Mail for cb-office.nl is handled by a single mail server, cboffice-nl0e.mail.protection.outlook.com.

cboffice-nl0e.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.10, 52.101.68.12, 52.101.73.2 and 5 others.