hdu.nl - robtex.com

hdu.nl

DNSSEC🔒 Signed (DS record present)
A2a01:7c8:e100:1::50a0🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRwebhosting.transip.nl
A86.105.244.1🇳🇱 TRANSIP-AS86.105.244.0/22 TransIP BV Amsterdam, The Netherlands
NSns0.transip.net ⭐
A2a01:7c8:dddd:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns0.transip.net
A195.135.195.195🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.
PTRns0.transip.net
NSns1.transip.nl
A2a01:7c8:7000:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns1.transip.nl
A195.8.195.195🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.
PTRns1.transip.nl
NSns2.transip.eu
A2a01:7c8:f:c1f::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns2.transip.eu
A37.97.199.195🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns2.transip.eu
MXhdu-nl.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::4🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::1🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr07cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca09::6🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.68.29🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbapr03cu00105.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns0.transip.nethostmaster@transip.nl 2026-04-21 #3

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-30 04:30:01 +0000 (EPOCH 1777523401)
SOAns1.dns.nldns@sidn.nl 2026-04-30 #9
WOT: SAFE (68/100)

Same first word

hdu.ch
hdu.jp
hdu.eu
hdu.net
hdu.hu
hdu.co
hdu.co.uk
hdu.edu
hdu.red
hdu.com
hdu.edu.vn
hdu.nl
hdu.fr
hdu.es
hdu.in
hdu.it
hdu.be
hdu.no
hdu.edu.cn
hdu.at
hdu.ru
hdu.pt
hdu.mobi
hdu.de
hdu.dk
hdu.se
hdu.org

Similar names

hud.ac.uk
udh.it
hud.app
udh.org
hud.poker
uhd.com
dhu.co.za
duh.at
uhd.ca
duh.eu
hud.net
duh.cz
dhu.edu.cn
hud.org.uk
dhu.mx
uhd.one
hud.ch
duh.net
duh.de
uhd.com.au
hud.be
uhd.edu.vn
hud.ai
uhd.in
dhu.ac.kr
duh.ch
hud.com
hud.govt.nz
duh.com.br
udh.co.kr
udh.pl
duh.org
hud.net.ru
hud.ac
duh.se
hud.jp
uhd.me
hud.se
hud.network
hud.hr
udh.eu
hud.vn
duh.to
uhd.de
dhu.ch
hud.solutions
hud.loans
duh.us
udh.fr
hud.gop.pk
hud.pl
uhd.name
duh.be
hud.me
uhd.net
uhd.org
duh.cn
dhu.com.cn
duh.no
hud.ru
hud.agency
uhd.cz
hud.li
udh.mx
hud.us
uhd.biz
uhd.be
udh.us
udh.in
uhd.fr
duh.jp
hud.in
hud.dk
duh.in
udh.cz
dhu.org
hud.com.hk
hud.land
duh.pl
hud.deals
uhd.co
uhd.us
hud.biz
dhu.hamburg
hud.tf
udh.med.sa
uhd.su
hud.guru
udh.dk
duh.co
dhu.edu.my
hud.su
hud.cz
uhd.com.sa
dhu.be

DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSns0.transip.netns1.transip.nlns2.transip.euns1.sohosted9.comns2.sohosted9.comMXhdu-nl.mail.protection.outlook.commail.hdu.nlmx1.mtaroutes.commx2.mtaroutes.commx3.mtaroutes.commx4.mtaroutes.comA2a01:7c8:e100:1::50a086.105.244.1185.232.248.50195.8.208.42
●NSns0.transip.net2026-04-28 → 2026-04-30 · 3 obs
○ 2021-11-02 06:02:50
● 2026-04-28 08:18:08
● 2026-04-30 05:21:04
○NSns1.sohosted9.com2015-08-18 → 2021-11-02 · 6 obs
● 2015-08-18 03:51:10
● 2017-05-27 20:00:32
○ 2021-01-29 00:43:42
● 2021-11-02 06:02:50
○ 2026-04-28 08:18:08
○ 2026-04-30 05:21:04
●NSns1.transip.nl2026-04-28 → 2026-04-30 · 3 obs
○ 2021-11-02 06:02:50
● 2026-04-28 08:18:08
● 2026-04-30 05:21:04
○NSns2.sohosted9.com2015-08-18 → 2021-11-02 · 4 obs
● 2015-08-18 03:51:10
● 2021-11-02 06:02:50
○ 2026-04-28 08:18:08
○ 2026-04-30 05:21:04
●NSns2.transip.eu2026-04-28 → 2026-04-30 · 3 obs
○ 2021-11-02 06:02:50
● 2026-04-28 08:18:08
● 2026-04-30 05:21:04
●MXhdu-nl.mail.protection.outlook.com2021-10-28 → 2026-04-30 · 3 obs
○ 2021-04-11 22:00:18
● 2021-10-28 08:49:20
● 2026-04-30 05:21:04
○MXmail.hdu.nl2015-08-18 → 2017-05-27 · 4 obs
● 2015-08-18 03:51:10
● 2017-05-27 20:00:32
○ 2021-01-29 00:43:42
○ 2026-04-30 05:21:04
○MXmx1.mtaroutes.com2021-01-29 → 2021-04-11 · 5 obs
○ 2017-05-27 20:00:32
● 2021-01-29 00:43:42
● 2021-04-11 22:00:18
○ 2021-10-28 08:49:20
○ 2026-04-30 05:21:04
○MXmx2.mtaroutes.com2021-01-29 → 2021-04-11 · 5 obs
○ 2017-05-27 20:00:32
● 2021-01-29 00:43:42
● 2021-04-11 22:00:18
○ 2021-10-28 08:49:20
○ 2026-04-30 05:21:04
○MXmx3.mtaroutes.com2021-01-29 → 2021-04-11 · 5 obs
○ 2017-05-27 20:00:32
● 2021-01-29 00:43:42
● 2021-04-11 22:00:18
○ 2021-10-28 08:49:20
○ 2026-04-30 05:21:04
○MXmx4.mtaroutes.com2021-01-29 → 2021-04-11 · 5 obs
○ 2017-05-27 20:00:32
● 2021-01-29 00:43:42
● 2021-04-11 22:00:18
○ 2021-10-28 08:49:20
○ 2026-04-30 05:21:04
○A185.232.248.502021-01-29 → 2021-04-11 · 5 obs
○ 2017-05-27 20:00:32
● 2021-01-29 00:43:42
● 2021-04-11 22:00:18
○ 2021-10-28 08:49:20
○ 2026-04-30 05:21:04
○A195.8.208.422015-08-18 → 2017-05-27 · 4 obs
● 2015-08-18 03:51:10
● 2017-05-27 20:00:32
○ 2021-01-29 00:43:42
○ 2026-04-30 05:21:04
●A2a01:7c8:e100:1::50a02026-04-28 → 2026-04-30 · 3 obs
○ 2021-10-28 08:49:20
● 2026-04-28 08:18:08
● 2026-04-30 05:21:04
●A86.105.244.12026-04-28 → 2026-04-30 · 3 obs
○ 2021-10-28 08:49:20
● 2026-04-28 08:18:08
● 2026-04-30 05:21:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
hdu.nlns0.transip.net, ns1.transip.nl, ns2.transip.eu2 records

✅ Authoritative Response

Server:195.135.195.195

NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 812ms | Queries: -

📄 Records

TypeCountSample Data
A186.105.244.1
AAAA12a01:7c8:e100:1::50a0
NS3ns0.transip.net, ns1.transip.nl...
MX1hdu-nl.mail.protection.outlook.com (pri:
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns0.transip.net hostmaster.transip.nl

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.transip.nl, ns1.transip.nl)

Analysis

IP Addresses

hdu.nl points to two IP numbers: 2a01:7c8:e100:1::50a0 and 86.105.244.1.

Other host names, for instance oscarfranken.nl, certinet.eu, servicio.nl, orthobakker.nl and mail.cinside.nl share IP numbers with hdu.nl.

Name Servers

The delegation for hdu.nl is handled by three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

hdu.nl at least partially shares name servers with other domains, for instance nodoshop.com, tecsonmjo.com, oswshop.net, illuxtron.be and instrumentplugins.com.

Two IP numbers per host:

ns2.transip.eu points to 2a01:7c8:f:c1f::195 and 37.97.199.195.

ns0.transip.net points to 2a01:7c8:dddd:195::195 and 195.135.195.195.

ns1.transip.nl points to 2a01:7c8:7000:195::195 and 195.8.195.195.

Mail Servers

hdu.nl is handled by a single mail server, hdu-nl.mail.protection.outlook.com.

hdu-nl.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::6, 52.101.68.0, 52.101.68.3, 52.101.68.29 and 52.101.73.26.