tcbeltrum.nl - robtex.com

tcbeltrum.nl

DNSSEC🔒 Signed (DS record present)
A2a0b:3100:20::66🇳🇱 NL-BIT2a0b:3100::/40 Rootnet Managed Servers BIT-2
PTRrecent-piranha.sys.rootnet.io
A185.173.21.101🇳🇱 NL-BIT185.173.20.0/22
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
MXmailfilter01.myrootnet.nl ⭐
A2a0b:3100:100::58:4🇳🇱 NL-BIT2a0b:3100:100::/40 Rootnet Managed Servers BIT-2
PTRmailfilter01.myrootnet.nl
A2a0b:3100:200::200🇳🇱 AS229272000::/3
PTRams01.mailfilter.myrootnet.nl
A81.85.60.200
PTRams01.mailfilter.myrootnet.nl
A185.173.20.200🇳🇱 NL-BIT185.173.20.0/22
PTRede01.mailfilter.myrootnet.nl
MXmailfilter02.myrootnet.nl(20)
A2a0b:3100:100::58:5🇳🇱 NL-BIT2a0b:3100:100::/40 Rootnet Managed Servers BIT-2
PTRmailfilter02.myrootnet.nl
A2a0b:3100:200::200🇳🇱 AS229272000::/3
PTRams01.mailfilter.myrootnet.nl
A81.85.60.200
PTRams01.mailfilter.myrootnet.nl
A185.173.21.200🇳🇱 NL-BIT185.173.20.0/22
PTRede02.mailfilter.myrootnet.nl
TXTv=spf1 include:mailfilter.myrootnet.nl a mx ip4:185.173.21.101 ip4:178.22.58....
SOAnsauth.myrootnet.comroot@rootnet.nl 2026-07-23 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-07-28 14:00:01 +0000 (EPOCH 1785247201)
SOAns1.dns.nldns@sidn.nl 2026-07-28 #28

Subdomains

mail.tcbeltrum.nl

Same first word

tcbeltrum.nl

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSnsauth.myrootnet.comnsauth.myrootnet.nlns1.correcthosting02.nlns19.best4u.nlns2.correcthosting02.nlns20.best4u.nlMXmailfilter01.myrootnet.nlmailfilter02.myrootnet.nlmail.tcbeltrum.nlA185.173.21.1012a0b:3100:20::66178.22.58.6287.233.180.89
○NSns1.correcthosting02.nl2015-05-08 → 2016-03-19 · 4 obs
● 2015-05-08 16:33:22
● 2016-03-19 20:11:34
○ 2016-07-14 19:28:56
○ 2026-07-28 14:50:10
○NSns19.best4u.nl2016-07-14 → 2017-02-19 · 5 obs
○ 2016-03-19 20:11:34
● 2016-07-14 19:28:56
● 2017-02-19 11:37:04
○ 2020-03-14 08:58:52
○ 2026-07-28 14:50:10
○NSns2.correcthosting02.nl2015-05-08 → 2016-03-19 · 4 obs
● 2015-05-08 16:33:22
● 2016-03-19 20:11:34
○ 2016-07-14 19:28:56
○ 2026-07-28 14:50:10
○NSns20.best4u.nl2016-07-14 → 2017-02-19 · 5 obs
○ 2016-03-19 20:11:34
● 2016-07-14 19:28:56
● 2017-02-19 11:37:04
○ 2020-03-14 08:58:52
○ 2026-07-28 14:50:10
●NSnsauth.myrootnet.com2020-03-14 → 2026-07-28 · 3 obs
○ 2017-02-19 11:37:04
● 2020-03-14 08:58:52
● 2026-07-28 14:50:10
●NSnsauth.myrootnet.nl2020-03-14 → 2026-07-28 · 3 obs
○ 2017-02-19 11:37:04
● 2020-03-14 08:58:52
● 2026-07-28 14:50:10
○MXmail.tcbeltrum.nl2015-05-08 → 2020-03-14 · 4 obs
● 2015-05-08 16:33:22
● 2020-03-14 08:58:52
○ 2026-07-08 12:23:54
○ 2026-07-28 14:50:10
●MXmailfilter01.myrootnet.nl2026-07-08 → 2026-07-28 · 3 obs
○ 2020-03-14 08:58:52
● 2026-07-08 12:23:54
● 2026-07-28 14:50:10
●MXmailfilter02.myrootnet.nl2026-07-08 → 2026-07-28 · 3 obs
○ 2020-03-14 08:58:52
● 2026-07-08 12:23:54
● 2026-07-28 14:50:10
○A178.22.58.622016-07-14 → 2020-03-14 · 5 obs
○ 2016-03-19 20:11:34
● 2016-07-14 19:28:56
● 2020-03-14 08:58:52
○ 2026-07-08 12:23:54
○ 2026-07-28 14:50:10
●A185.173.21.1012026-07-08 → 2026-07-28 · 3 obs
○ 2020-03-14 08:58:52
● 2026-07-08 12:23:54
● 2026-07-28 14:50:10
●A2a0b:3100:20::662026-07-08 → 2026-07-28 · 3 obs
○ 2020-03-14 08:58:52
● 2026-07-08 12:23:54
● 2026-07-28 14:50:10
○A87.233.180.892015-05-08 → 2016-03-19 · 4 obs
● 2015-05-08 16:33:22
● 2016-03-19 20:11:34
○ 2016-07-14 19:28:56
○ 2026-07-28 14:50:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
tcbeltrum.nlnsauth.myrootnet.nl, nsauth.myrootnet.com2 records

✅ Authoritative Response

Server:185.173.20.5

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 592ms | Queries: -

📄 Records

TypeCountSample Data
A1185.173.21.101
AAAA12a0b:3100:20::66
NS2nsauth.myrootnet.com, nsauth.myrootnet.nl
MX2mailfilter01.myrootnet.nl (pri: 10), mailfilter02.myrootnet.nl (pri: 20)
TXT1v=spf1 include:mailfilter.myrootnet.nl a
SOA1nsauth.myrootnet.com root.rootnet.nl

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

tcbeltrum.nl is a parent domain of mail.tcbeltrum.nl.

IP Addresses

tcbeltrum.nl directs to two IP numbers, 185.173.21.101 and 2a0b:3100:20::66

fysiotherapiedejager.nl, deboschwachter.nl, www.aquatis.be plus two other host names have IP numbers in common with tcbeltrum.nl.

Name Servers

The NS records for tcbeltrum.nl delegate to nsauth.myrootnet.com and nsauth.myrootnet.nl.

The name server configuration of tcbeltrum.nl is shared with other domains, for instance hilck.com, velohome.nl, myrootnet.com and two others.

tcbeltrum.nl and other domains like vakantiehuisje-ilbosco.nl share at least a portion of their name servers.

nsauth.myrootnet.com resolves to 81.85.60.5 and 2a0b:3100:200::5. Likewise, nsauth.myrootnet.nl resolves to 185.173.20.5 and 2a0b:3100:53::10 — two IP addresses apiece.

Mail Servers

tcbeltrum.nl uses two mail servers, mailfilter01.myrootnet.nl and mailfilter02.myrootnet.nl.

The mail server setup of tcbeltrum.nl matches that of other domains such as rrbosconsultancy.nl, grape.fish, hip-evenementen.nl and two others.

At least some of the mail servers used by tcbeltrum.nl are shared with other domains: beneluxsign.com, zettex.nl, sibon.de and two others among them.

The hosts mailfilter01.myrootnet.nl and mailfilter02.myrootnet.nl each resolve to four IP addresses: mailfilter01.myrootnet.nl points to 81.85.60.200, 185.173.20.200, 2a0b:3100:100::58:4 and 2a0b:3100:200::200, while mailfilter02.myrootnet.nl points to 81.85.60.200, 185.173.21.200, 2a0b:3100:100::58:5 and 2a0b:3100:200::200.

mailfilter01.myrootnet.nl and mailfilter02.myrootnet.nl each have 2a0b:3100:200::200 IP addresses.

mailfilter01.myrootnet.nl and mailfilter02.myrootnet.nl each have 81.85.60.200 IP addresses.