a4zuid.nl - robtex.com

a4zuid.nl

DNSSEC🔒 Signed (DS record present)
A2a02:cc8::102:163🇳🇱 LEASEWEB-NL-AMS-012a02:cc8::/32 NL-TODAYISP-20090407
PTRda163.direct-admin-server.com
A87.236.102.163🇳🇱 LEASEWEB-NL-AMS-0187.236.96.0/21 TODAYISP
NSns1.internettoday.nl ⭐
A2a02:cc9:0:63::233🇳🇱 LEASEWEB-NL-AMS-012a02:cc9::/32
PTRns1.thednscompany.com
A185.145.63.233🇳🇱 LEASEWEB-NL-AMS-01185.145.60.0/22
PTRns1.thednscompany.com
NSns2.internettoday.com
A2001:1af8:4700:a112:13::50🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb
PTRns2.thednscompany.com
A37.48.115.145🇳🇱 LEASEWEB-NL-AMS-0137.48.64.0/18 LEASEWEB
PTRns2.thednscompany.com
NSns3.internettoday.eu ⚠️ Not in zone NS records
A2a01:7c8:aab5:5b3::1🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns3.thednscompany.com
A149.210.192.124🇳🇱 TRANSIP-AS149.210.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns3.thednscompany.com
NSns3.thednscompany.com ⚠️ Not in parent delegation
A2a01:7c8:aab5:5b3::1🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns3.thednscompany.com
A149.210.192.124🇳🇱 TRANSIP-AS149.210.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns3.thednscompany.com
MXmail.a4zuid.nl ⭐
A2a02:cc8::102:163🇳🇱 LEASEWEB-NL-AMS-012a02:cc8::/32 NL-TODAYISP-20090407
PTRda163.direct-admin-server.com
A87.236.102.163🇳🇱 LEASEWEB-NL-AMS-0187.236.96.0/21 TODAYISP
PTRda163.direct-admin-server.com
TXTv=spf1 a mx include:spamfilterserver.com ip4:87.236.102.163 ip6:2a02:cc8::102...
SOAns1.internettoday.nlhostmaster@a4zuid.nl 2026-04-01 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-28 09:00:02 +0000 (EPOCH 1777366802)
SOAns1.dns.nldns@sidn.nl 2026-04-28 #18

Subdomains

mail.a4zuid.nl

Same first word

a4zuid.nl

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.internettoday.nlns2.internettoday.comns3.internettoday.euns3.thednscompany.comns1.serverparq.nlns1.sitiweb.nlns2.serverparq.nlns2.sitiweb.nlMXmail.a4zuid.nlA2a02:cc8::102:16387.236.102.163141.105.127.39213.189.2.1282a02:2308::1:0:2e
●NSns1.internettoday.nl2026-03-27 → 2026-04-28 · 3 obs
○ 2018-09-13 14:21:52
● 2026-03-27 15:04:36
● 2026-04-28 09:35:40
○NSns1.serverparq.nl2015-06-13 → 2017-02-03 · 4 obs
● 2015-06-13 00:47:46
● 2017-02-03 21:51:08
○ 2018-09-13 14:21:52
○ 2026-04-28 09:35:40
○NSns1.sitiweb.nl2018-09-13 → 2018-09-13 · 4 obs
○ 2017-02-03 21:51:08
● 2018-09-13 14:21:52
○ 2026-03-27 15:04:36
○ 2026-04-28 09:35:40
●NSns2.internettoday.com2026-03-27 → 2026-04-28 · 3 obs
○ 2018-09-13 14:21:52
● 2026-03-27 15:04:36
● 2026-04-28 09:35:40
○NSns2.serverparq.nl2015-06-13 → 2017-02-03 · 4 obs
● 2015-06-13 00:47:46
● 2017-02-03 21:51:08
○ 2018-09-13 14:21:52
○ 2026-04-28 09:35:40
○NSns2.sitiweb.nl2018-09-13 → 2018-09-13 · 4 obs
○ 2017-02-03 21:51:08
● 2018-09-13 14:21:52
○ 2026-03-27 15:04:36
○ 2026-04-28 09:35:40
●NSns3.internettoday.eu2026-03-27 → 2026-04-28 · 3 obs
○ 2018-09-13 14:21:52
● 2026-03-27 15:04:36
● 2026-04-28 09:35:40
●NSns3.thednscompany.com2026-03-27 → 2026-04-28 · 3 obs
○ 2018-09-13 14:21:52
● 2026-03-27 15:04:36
● 2026-04-28 09:35:40
●MXmail.a4zuid.nl2015-06-13 → 2026-04-28 · 2 obs
● 2015-06-13 00:47:46
● 2026-04-28 09:35:40
○A141.105.127.392018-09-13 → 2018-09-13 · 4 obs
○ 2017-02-03 21:51:08
● 2018-09-13 14:21:52
○ 2026-03-27 15:04:36
○ 2026-04-28 09:35:40
○A213.189.2.1282015-06-13 → 2017-02-03 · 4 obs
● 2015-06-13 00:47:46
● 2017-02-03 21:51:08
○ 2018-09-13 14:21:52
○ 2026-04-28 09:35:40
○A2a02:2308::1:0:2e2018-09-13 → 2018-09-13 · 4 obs
○ 2017-02-03 21:51:08
● 2018-09-13 14:21:52
○ 2026-03-27 15:04:36
○ 2026-04-28 09:35:40
●A2a02:cc8::102:1632026-03-27 → 2026-04-28 · 3 obs
○ 2018-09-13 14:21:52
● 2026-03-27 15:04:36
● 2026-04-28 09:35:40
●A87.236.102.1632026-03-27 → 2026-04-28 · 3 obs
○ 2018-09-13 14:21:52
● 2026-03-27 15:04:36
● 2026-04-28 09:35:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
a4zuid.nlns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu-

✅ Authoritative Response

Server:185.145.63.233

NS records: ns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 805ms | Queries: -

📄 Records

TypeCountSample Data
A187.236.102.163
AAAA12a02:cc8::102:163
NS3ns3.thednscompany.com, ns2.internettoday.com...
MX1mail.a4zuid.nl (pri: 10)
TXT1v=spf1 a mx include:spamfilterserver.com
SOA1ns1.internettoday.nl hostmaster.a4zuid.n

Analysis

Hierarchy

mail.a4zuid.nl has a4zuid.nl as its parent.

IP Addresses

a4zuid.nl points to two IPs: 2a02:cc8::102:163 and 87.236.102.163.

Other host names, for instance mail.maantijd.nl, powerseo.nl, sipack.nl, mail.mediamagazine.nl and mail.judithhompe.nl share IP numbers with a4zuid.nl.

Name Servers

a4zuid.nl is delegated to four name servers: ns2.internettoday.com, ns3.thednscompany.com, ns3.internettoday.eu and ns1.internettoday.nl.

a4zuid.nl at least partially shares name servers with other domains such as moduceloven.com, slettebek.nl, r-n-bouw.nl, rioolcentrale.nl and deltalifescience.com.

These name servers are commonly used with ns1.thednscompany.com and ns2.thednscompany.com.

Host names with two IP numbers:

Host ns2.internettoday.com points to 2001:1af8:4700:a112:13::50 and 37.48.115.145.

Host ns3.thednscompany.com points to 2a01:7c8:aab5:5b3::1 and 149.210.192.124.

Host ns3.internettoday.eu points to 2a01:7c8:aab5:5b3::1 and 149.210.192.124.

Host ns1.internettoday.nl points to 2a02:cc9:0:63::233 and 185.145.63.233.

Hosts pointing to 2a01:7c8:aab5:5b3::1: ns3.thednscompany.com and ns3.internettoday.eu.

Hosts pointing to 149.210.192.124: ns3.thednscompany.com and ns3.internettoday.eu.

Pattern: ns3.thednscompany.com and ns3.internettoday.eu both point to 2a01:7c8:aab5:5b3::1 and 149.210.192.124.

Mail Servers

a4zuid.nl is handled by a single mail server, mail.a4zuid.nl.

Host name mail.a4zuid.nl points to IPs 2a02:cc8::102:163 and 87.236.102.163.