mentrum.nl - robtex.com

mentrum.nl

DNSSEC⚠️ Not signed
A2a0b:3100:20::e1🇳🇱 NL-BIT2a0b:3100::/40 Rootnet Managed Servers BIT-2
PTRvocal-parakeet.sys.rootnet.io
A185.173.21.184🇳🇱 NL-BIT185.173.20.0/22
NSns.arkin.nl ⭐
A80.65.110.37🇳🇱 PREVIDER-AS80.65.96.0/19 Previder BV - NL
PTR37.110.65.80.static.introweb.nl
NSnsauth1.vancis.nl
A2001:4d60:0:5005::4🇳🇱 VANCIS2001:4d60::/32 NL-VANCIS-20051006
PTRnsauth1.vancis.nl
A85.90.64.156🇳🇱 VANCIS85.90.64.0/19 NL-VANCIS-20041108
PTRnsauth1.vancis.nl
NSnsauth2.vancis.nl
A52.236.168.95🇳🇱 Microsoft52.224.0.0/11 MICROSOFT
NSnsauth3.vancis.nl
A2001:4d60:0:5006::4🇳🇱 VANCIS2001:4d60::/32 NL-VANCIS-20051006
PTRnsauth3.vancis.nl
A85.90.64.164🇳🇱 VANCIS85.90.64.0/19 NL-VANCIS-20041108
PTRnsauth3.vancis.nl
MXmentrum-nl.k-v1.mx.microsoft ⭐
A2a01:111:f403:ca04::2🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::4🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::c🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A2a01:111:f403:ca09::f🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.68.21🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.68.27🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00503.inbound.protection.outlook.com
A52.101.73.153🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00401.inbound.protection.outlook.com
TXTbastion365-domain-validation=87b5e6819da44
TXTv=NTA7516-1;startdate=2019-06;enddate=2029-09;provider=bastionic;ntamx=10 mx....
TXTv=spf1 ip4:80.65.110.57 include:spf.protection.outlook.com include:_spf.zorgm...
SOAns.arkin.nlhelpdesk@arkin.nl serial=2026023522

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-08-02 12:30:01 +0000 (EPOCH 1785673801)
SOAns1.dns.nldns@sidn.nl 2026-08-02 #25
WOT: SAFE (62/100)

Subdomains

ns.mentrum.nl

Same first word

mentrum.com
mentrum.eu
mentrum.nl
mentrum.hu

Similar names

nummert.com

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns.arkin.nlnsauth1.vancis.nlnsauth2.vancis.nlnsauth3.vancis.nlnsauth1.sara.nlnsauth2.sara.nlMXmentrum-nl.k-v1.mx.microsoftmentrum-nl.mail.protection.outlook.comA185.173.21.1842a0b:3100:20::e131.186.175.17691.142.249.115
●NSns.arkin.nl2015-07-16 → 2026-08-02 · 2 obs
● 2015-07-16 18:07:12
● 2026-08-02 13:26:16
○NSnsauth1.sara.nl2015-07-16 → 2015-09-07 · 4 obs
● 2015-07-16 18:07:12
● 2015-09-07 02:08:56
○ 2015-11-02 08:58:08
○ 2026-08-02 13:26:16
●NSnsauth1.vancis.nl2015-11-02 → 2026-08-02 · 3 obs
○ 2015-09-07 02:08:56
● 2015-11-02 08:58:08
● 2026-08-02 13:26:16
○NSnsauth2.sara.nl2015-07-16 → 2015-09-07 · 4 obs
● 2015-07-16 18:07:12
● 2015-09-07 02:08:56
○ 2015-11-02 08:58:08
○ 2026-08-02 13:26:16
●NSnsauth2.vancis.nl2015-11-02 → 2026-08-02 · 3 obs
○ 2015-09-07 02:08:56
● 2015-11-02 08:58:08
● 2026-08-02 13:26:16
●NSnsauth3.vancis.nl2026-03-03 → 2026-08-02 · 3 obs
○ 2015-11-02 08:58:08
● 2026-03-03 14:29:02
● 2026-08-02 13:26:16
●MXmentrum-nl.k-v1.mx.microsoft2026-03-03 → 2026-08-02 · 3 obs
○ 2018-02-24 13:48:18
● 2026-03-03 14:29:02
● 2026-08-02 13:26:16
○MXmentrum-nl.mail.protection.outlook.com2015-07-16 → 2018-02-24 · 4 obs
● 2015-07-16 18:07:12
● 2018-02-24 13:48:18
○ 2026-03-03 14:29:02
○ 2026-08-02 13:26:16
●A185.173.21.1842026-03-03 → 2026-08-02 · 3 obs
○ 2018-02-24 13:48:18
● 2026-03-03 14:29:02
● 2026-08-02 13:26:16
●A2a0b:3100:20::e12026-03-03 → 2026-08-02 · 3 obs
○ 2018-02-24 13:48:18
● 2026-03-03 14:29:02
● 2026-08-02 13:26:16
○A31.186.175.1762018-02-24 → 2018-02-24 · 4 obs
○ 2016-05-26 07:38:22
● 2018-02-24 13:48:18
○ 2026-03-03 14:29:02
○ 2026-08-02 13:26:16
○A91.142.249.1152015-07-16 → 2016-05-26 · 4 obs
● 2015-07-16 18:07:12
● 2016-05-26 07:38:22
○ 2018-02-24 13:48:18
○ 2026-08-02 13:26:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
mentrum.nlnsauth3.vancis.nl, nsauth2.vancis.nl, ns.arkin.nl, nsauth1.vancis.nl6 records

✅ Authoritative Response

Server:80.65.110.37

NS records: nsauth3.vancis.nl, nsauth2.vancis.nl, ns.arkin.nl, nsauth1.vancis.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 504ms | Queries: -

📄 Records

TypeCountSample Data
A1185.173.21.184
AAAA12a0b:3100:20::e1
NS4nsauth1.vancis.nl, nsauth2.vancis.nl...
MX1mentrum-nl.k-v1.mx.microsoft (pri: 10)
TXT3bastion365-domain-validation=87b5e6819da, v=NTA7516-1;startdate=2019-06;enddate=20...
SOA1ns.arkin.nl helpdesk.arkin.nl

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (nsauth3.vancis.nl, nsauth2.vancis.nl, nsauth1.vancis.nl...)

Analysis

Hierarchy

ns.mentrum.nl is a subdomain of mentrum.nl.

IP Addresses

mentrum.nl points to the IP addresses 185.173.21.184 and 2a0b:3100:20::e1

Additional host names — spoedeisendepsychiatrieamsterdam.nl, novarum.nl, unity.nl and two others — share IP numbers with mentrum.nl.

Name Servers

mentrum.nl has four authoritative name servers: ns.arkin.nl, nsauth1.vancis.nl, nsauth2.vancis.nl and nsauth3.vancis.nl.

The name servers of mentrum.nl overlap at least partially with those of other domains — among them amzx.vancis.nl, jellinek.nl, spoedeisendepsychiatrieamsterdam.nl and two more.

The name servers nsauth3.introweb.net, nsauth1.introweb.nl and nsauth2.introweb.nl are commonly seen alongside these name servers.

Host names with two IP numbers:

nsauth1.vancis.nl resolves to two addresses: 85.90.64.156 and 2001:4d60:0:5005::4.

nsauth3.vancis.nl resolves to two addresses: 85.90.64.164 and 2001:4d60:0:5006::4.

Host names pointing to a single IP address:

The hostname ns.arkin.nl resolves to 80.65.110.37.

The hostname nsauth2.vancis.nl resolves to 52.236.168.95.

Mail Servers

mentrum.nl has one mail server: mentrum-nl.k-v1.mx.microsoft.

mentrum-nl.k-v1.mx.microsoft points to 8 IP numbers: 52.101.68.10, 52.101.68.21, 52.101.68.27 and 5 other.