dot4u.be - robtex.com

dot4u.be

DNSSEC🔒 Signed (DS record present)
A2a02:2350:5:10c:80f7:afc2:f1dc:1dc5🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.213.190🇩🇰 ONECOM46.30.208.0/21 One.com A/S
NSns01.one.com ⭐
A2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48
PTRns01.one.com
A195.206.121.10ONECOM-INFRA195.206.121.0/24
PTRns01.one.com
NSns02.one.com
A2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXmx1.pub.mailpod11-cph3.one.com ⭐
A104.37.34.230🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx1.pub.mailpod11-cph3.one.com
MXmx2.pub.mailpod11-cph3.one.com ⭐
A104.37.34.231🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx2.pub.mailpod11-cph3.one.com
MXmx3.pub.mailpod11-cph3.one.com ⭐
A104.37.34.232🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx3.pub.mailpod11-cph3.one.com
MXmx4.pub.mailpod11-cph3.one.com ⭐
A104.37.34.233🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx4.pub.mailpod11-cph3.one.com
SOAns01.one.comhostmaster@one.com 2026-05-28 #1

be

DNSSEC🔒 Signed (DS record present)
NSa.nsset.be ⭐
NSb.nsset.be
NSc.nsset.be
NSd.nsset.be
NSy.nsset.be
NSz.nsset.be
SOAa.nsset.bebe-hostmaster@dnsbelgium.be serial=1028248460

Same first word

dot4u.org
dot4u.be
dot4u.cz
dot4u.com
dot4u.net

Similar names

4tudo.com

DNS History

15 records (8 active, 7 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comMXmx1.pub.mailpod11-cph3.one.commx2.pub.mailpod11-cph3.one.commx3.pub.mailpod11-cph3.one.commx4.pub.mailpod11-cph3.one.commxcluster1.one.commxcluster2.one.comA2a02:2350:5:10c:80f7:afc2:f1dc:1dc546.30.213.1902a02:2350:5:10c:8060:596b:88d7:cc9b46.30.212.6446.30.212.9646.30.213.17246.30.215.31
●NSns01.one.com2015-07-05 → 2026-06-06 · 2 obs
● 2015-07-05 14:31:00
● 2026-06-06 21:13:38
●NSns02.one.com2015-07-05 → 2026-06-06 · 2 obs
● 2015-07-05 14:31:00
● 2026-06-06 21:13:38
●MXmx1.pub.mailpod11-cph3.one.com2026-02-25 → 2026-06-06 · 3 obs
○ 2016-11-30 06:23:34
● 2026-02-25 01:59:32
● 2026-06-06 21:13:38
●MXmx2.pub.mailpod11-cph3.one.com2026-02-25 → 2026-06-06 · 3 obs
○ 2016-11-30 06:23:34
● 2026-02-25 01:59:32
● 2026-06-06 21:13:38
●MXmx3.pub.mailpod11-cph3.one.com2026-02-25 → 2026-06-06 · 3 obs
○ 2016-11-30 06:23:34
● 2026-02-25 01:59:32
● 2026-06-06 21:13:38
●MXmx4.pub.mailpod11-cph3.one.com2026-02-25 → 2026-06-06 · 3 obs
○ 2016-11-30 06:23:34
● 2026-02-25 01:59:32
● 2026-06-06 21:13:38
○MXmxcluster1.one.com2015-07-05 → 2016-11-30 · 4 obs
● 2015-07-05 14:31:00
● 2016-11-30 06:23:34
○ 2026-02-25 01:59:32
○ 2026-06-06 21:13:38
○MXmxcluster2.one.com2015-07-05 → 2016-11-30 · 4 obs
● 2015-07-05 14:31:00
● 2016-11-30 06:23:34
○ 2026-02-25 01:59:32
○ 2026-06-06 21:13:38
○A2a02:2350:5:10c:8060:596b:88d7:cc9b2026-02-25 → 2026-02-25 · 4 obs
○ 2016-11-30 06:23:34
● 2026-02-25 01:59:32
○ 2026-04-05 11:27:36
○ 2026-06-06 21:13:38
●A2a02:2350:5:10c:80f7:afc2:f1dc:1dc52026-04-05 → 2026-06-06 · 3 obs
○ 2026-02-25 01:59:32
● 2026-04-05 11:27:36
● 2026-06-06 21:13:38
○A46.30.212.642015-09-05 → 2016-04-20 · 5 obs
○ 2015-07-05 14:31:00
● 2015-09-05 09:46:34
● 2016-04-20 04:08:24
○ 2016-11-23 01:57:26
○ 2026-06-06 21:13:38
○A46.30.212.962015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 14:31:00
○ 2015-09-05 09:46:34
○ 2026-06-06 21:13:38
○A46.30.213.1722026-02-25 → 2026-02-25 · 4 obs
○ 2016-11-30 06:23:34
● 2026-02-25 01:59:32
○ 2026-04-05 11:27:36
○ 2026-06-06 21:13:38
●A46.30.213.1902026-04-05 → 2026-06-06 · 3 obs
○ 2026-02-25 01:59:32
● 2026-04-05 11:27:36
● 2026-06-06 21:13:38
○A46.30.215.312016-11-23 → 2016-11-30 · 5 obs
○ 2016-04-20 04:08:24
● 2016-11-23 01:57:26
● 2016-11-30 06:23:34
○ 2026-02-25 01:59:32
○ 2026-06-06 21:13:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bed.nsset.be, c.nsset.be, z.nsset.be, a.nsset.be...-
dot4u.bens02.one.com, ns01.one.com-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns02.one.com, ns01.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1053ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.213.190
AAAA12a02:2350:5:10c:80f7:afc2:f1dc:1dc5
NS2ns01.one.com, ns02.one.com
MX4mx1.pub.mailpod11-cph3.one.com (pri: 10), mx4.pub.mailpod11-cph3.one.com (pri: 10)...
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

dot4u.be points to two IP numbers: 46.30.213.190 and 2a02:2350:5:10c:80f7:afc2:f1dc:1dc5.

Among the host names that share IP numbers with dot4u.be are activens.de, lintab.se, creditscoring.dk and two others.

Name Servers

Two name servers handle the delegation for dot4u.be: ns01.one.com and ns02.one.com.

dot4u.be has the same name server delegation as a number of other domains, such as responsec.co.uk, alfonzasalamone.com, jonathandahl.se and two more.

ns01.one.com and ns02.one.com both carry two IP addresses. The A records for ns01.one.com are 195.206.121.10 and 2001:67c:28cc::10; the A records for ns02.one.com are 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

dot4u.be has 4 mail servers responsible for its email: mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and mx4.pub.mailpod11-cph3.one.com.

dot4u.be shares at least some of its mail servers with other domains — for example ankawa.de, uptown.camp, kth.email and two more.

mx1.pub.mailpod11-cph3.one.com resolves to 104.37.34.230. mx2.pub.mailpod11-cph3.one.com resolves to 104.37.34.231. mx3.pub.mailpod11-cph3.one.com resolves to 104.37.34.232. mx4.pub.mailpod11-cph3.one.com resolves to 104.37.34.233. All four hosts carry exactly one IP address.