4u-tech.nl - robtex.com

4u-tech.nl

DNSSEC⚠️ Not signed
A51.89.99.144🇬🇧 OVH51.89.0.0/16
PTRweb08.webbots.nl
NSns11.webbots.nl ⭐
A51.89.99.144🇬🇧 OVH51.89.0.0/16
PTRweb08.webbots.nl
NSns12.webbots.nl
A51.195.38.77🇫🇷 OVH51.195.0.0/16
PTRweb08.webbots.nl
MXmail.4u-tech.nl ⭐
A51.89.99.144🇬🇧 OVH51.89.0.0/16
PTRweb08.webbots.nl
TXTv=spf1 a mx ip4:51.89.99.144 ip6:2001:41d0:700:3790:0:0:0:0 ~all
SOAns11.webbots.nlhostmaster@4u-tech.nl 2025-10-26 #0

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-19 06:00:01 +0000 (EPOCH 1776578401)
SOAns1.dns.nldns@sidn.nl 2026-04-19 #12
WOT: SAFE (96/100)

Previously MX for

4u-tech.nl

Subdomains

mail.4u-tech.nl

Same first word

4u-tech.de
4u-tech.nl
4u-tech.com

Similar names

tech4-u.com

DNS History

19 records (4 active, 15 former)

20162017201820192020202120222023202420252026NSns11.webbots.nlns12.webbots.nlns0.transip.netns1.transip.nlns1.zxcs.nlns2.transip.euns2.zxcs.nlns3.zxcs.nlMXmail.4u-tech.nl4u-tech.nlfallbackmail.zxcs.nlmail.(0x787878).4u-tech.nlrelay.transip.nlA51.89.99.144149.210.177.7160.153.16.342a06:2ec0:1::ffed37.97.159.605.39.189.125
○NSns0.transip.net2015-07-07 → 2017-02-09 · 4 obs
● 2015-07-07 22:30:18
● 2017-02-09 13:10:56
○ 2018-12-18 04:09:46
○ 2026-04-19 06:49:00
○NSns1.transip.nl2015-07-07 → 2017-02-09 · 4 obs
● 2015-07-07 22:30:18
● 2017-02-09 13:10:56
○ 2018-12-18 04:09:46
○ 2026-04-19 06:49:00
○NSns1.zxcs.nl2018-12-18 → 2018-12-18 · 4 obs
○ 2017-02-09 13:10:56
● 2018-12-18 04:09:46
○ 2026-04-15 21:17:56
○ 2026-04-19 06:49:00
●NSns11.webbots.nl2026-04-15 → 2026-04-19 · 3 obs
○ 2018-12-18 04:09:46
● 2026-04-15 21:17:56
● 2026-04-19 06:49:00
●NSns12.webbots.nl2026-04-15 → 2026-04-19 · 3 obs
○ 2018-12-18 04:09:46
● 2026-04-15 21:17:56
● 2026-04-19 06:49:00
○NSns2.transip.eu2015-07-07 → 2017-02-09 · 4 obs
● 2015-07-07 22:30:18
● 2017-02-09 13:10:56
○ 2018-12-18 04:09:46
○ 2026-04-19 06:49:00
○NSns2.zxcs.nl2018-12-18 → 2018-12-18 · 4 obs
○ 2017-02-09 13:10:56
● 2018-12-18 04:09:46
○ 2026-04-15 21:17:56
○ 2026-04-19 06:49:00
○NSns3.zxcs.nl2018-12-18 → 2018-12-18 · 4 obs
○ 2017-02-09 13:10:56
● 2018-12-18 04:09:46
○ 2026-04-15 21:17:56
○ 2026-04-19 06:49:00
○MX4u-tech.nl2018-12-18 → 2018-12-18 · 4 obs
○ 2017-02-09 13:10:56
● 2018-12-18 04:09:46
○ 2026-04-15 21:17:56
○ 2026-04-19 06:49:00
○MXfallbackmail.zxcs.nl2018-12-18 → 2018-12-18 · 4 obs
○ 2017-02-09 13:10:56
● 2018-12-18 04:09:46
○ 2026-04-15 21:17:56
○ 2026-04-19 06:49:00
●MXmail.4u-tech.nl2015-07-07 → 2026-04-19 · 5 obs
● 2015-07-07 22:30:18
● 2017-02-09 13:10:56
○ 2018-12-18 04:09:46
● 2026-04-15 21:17:56
● 2026-04-19 06:49:00
○MXmail.(0x787878).4u-tech.nl2017-02-09 → 2017-02-09 · 4 obs
○ 2015-07-07 22:30:18
● 2017-02-09 13:10:56
○ 2018-12-18 04:09:46
○ 2026-04-19 06:49:00
○MXrelay.transip.nl2017-02-09 → 2017-02-09 · 4 obs
○ 2015-07-07 22:30:18
● 2017-02-09 13:10:56
○ 2018-12-18 04:09:46
○ 2026-04-19 06:49:00
○A149.210.177.72017-02-09 → 2017-02-09 · 4 obs
○ 2016-07-01 07:14:58
● 2017-02-09 13:10:56
○ 2018-12-18 04:09:46
○ 2026-04-19 06:49:00
○A160.153.16.342018-12-18 → 2018-12-18 · 4 obs
○ 2017-02-09 13:10:56
● 2018-12-18 04:09:46
○ 2026-04-15 21:17:56
○ 2026-04-19 06:49:00
○A2a06:2ec0:1::ffed2018-12-18 → 2018-12-18 · 4 obs
○ 2017-02-09 13:10:56
● 2018-12-18 04:09:46
○ 2026-04-15 21:17:56
○ 2026-04-19 06:49:00
○A37.97.159.602016-03-10 → 2016-07-01 · 5 obs
○ 2015-11-21 21:04:40
● 2016-03-10 08:37:52
● 2016-07-01 07:14:58
○ 2017-02-09 13:10:56
○ 2026-04-19 06:49:00
○A5.39.189.1252015-07-07 → 2015-11-21 · 4 obs
● 2015-07-07 22:30:18
● 2015-11-21 21:04:40
○ 2016-03-10 08:37:52
○ 2026-04-19 06:49:00
●A51.89.99.1442026-04-15 → 2026-04-19 · 3 obs
○ 2018-12-18 04:09:46
● 2026-04-15 21:17:56
● 2026-04-19 06:49:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
4u-tech.nlns11.webbots.nl, ns12.webbots.nl-

✅ Authoritative Response

Server:51.195.38.77

NS records: ns11.webbots.nl, ns12.webbots.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4u-tech.nl (unsigned zone)

⏱️ Timing

Total: 319ms | Queries: -

📄 Records

TypeCountSample Data
A151.89.99.144
NS2ns11.webbots.nl, ns12.webbots.nl
MX1mail.4u-tech.nl (pri: 10)
TXT1v=spf1 a mx ip4:51.89.99.144 ip6:2001:41
SOA1ns11.webbots.nl hostmaster.4u-tech.nl

Analysis

Hierarchy

4u-tech.nl is parent of mail.4u-tech.nl.

IP Addresses

4u-tech.nl points to a single IP: 51.89.99.144.

Other host names, for instance mail.flashgirls.nl, mail.ide-kassel.de, food-spot.nl, mail.el3.nl and mail.ethylo.be share IP numbers with 4u-tech.nl.

Name Servers

4u-tech.nl's delegation is to two name servers ns11.webbots.nl and ns12.webbots.nl.

4u-tech.nl shares the same name server configuration as other domains, such as afvallen-zonder-dieet.nl, edisproduction.de, lujaba.nl, extremepowertorrents.nl and musicracer.de.

Host names with a single IP:

ns11.webbots.nl resolves to 51.89.99.144.

ns12.webbots.nl resolves to 51.195.38.77.

Mail Servers

4u-tech.nl is served by a single mail server, mail.4u-tech.nl.

mail.4u-tech.nl points to IP number 51.89.99.144.