4ub2b.nl - robtex.com

4ub2b.nl

DNSSEC🔒 Signed (DS record present)
A2a01:238:20a:202:1077::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw0d.rzone.de
A81.169.145.77🇩🇪 STRATO81.169.144.0/22 AG
NSdocks19.rzone.de ⭐
A2001:8d8:fe:53:5747:2a74:d:19🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks19.rzone.de
A217.160.80.146🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks19.rzone.de
NSshades01.rzone.de
A2607:f1c0:fe:53:185:132:34:128🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades01.rzone.de
A185.132.34.128🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades01.rzone.de
MXsmtp.rzone.de ⭐
A2a01:238:20a:202:50f0::2097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtp.rzone.de
A81.169.145.98🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtp.rzone.de
SOAdocks19.rzone.dehostmaster@strato-rz.de 2020-07-03 #14

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-03-28 01:00:02 +0000 (EPOCH 1774659602)
SOAns1.dns.nldns@sidn.nl 2026-03-28 #2

Same first word

4ub2b.nl

Similar names

b2b4u.org
b2b4u.net
b2b4u.com
b2b4u.info

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSdocks19.rzone.deshades01.rzone.dens.cp.hostnet.nlns0.transip.nlns1.cp.hostnet.nlns1.transip.netns2.transip.euns3.cp.hostnet.nlMXsmtp.rzone.demailfilter.hostnet.nlmx.transip.emailA2a01:238:20a:202:1077::81.169.145.772a01:7c8:aac3:8a:5054:ff:fea3:6a6637.97.206.17191.184.27.184
●NSdocks19.rzone.de2026-03-28 → 2026-03-28 · 2 obs
○ 2017-10-17 06:17:44
● 2026-03-28 02:07:06
○NSns.cp.hostnet.nl2015-08-23 → 2017-09-04 · 4 obs
● 2015-08-23 05:58:50
● 2017-09-04 10:44:06
○ 2017-09-19 23:25:50
○ 2026-03-28 02:07:06
○NSns0.transip.nl2017-09-19 → 2017-10-17 · 4 obs
○ 2017-09-04 10:44:06
● 2017-09-19 23:25:50
● 2017-10-17 06:17:44
○ 2026-03-28 02:07:06
○NSns1.cp.hostnet.nl2015-08-23 → 2017-09-04 · 4 obs
● 2015-08-23 05:58:50
● 2017-09-04 10:44:06
○ 2017-09-19 23:25:50
○ 2026-03-28 02:07:06
○NSns1.transip.net2017-09-19 → 2017-10-17 · 4 obs
○ 2017-09-04 10:44:06
● 2017-09-19 23:25:50
● 2017-10-17 06:17:44
○ 2026-03-28 02:07:06
○NSns2.transip.eu2017-09-19 → 2017-10-17 · 4 obs
○ 2017-09-04 10:44:06
● 2017-09-19 23:25:50
● 2017-10-17 06:17:44
○ 2026-03-28 02:07:06
○NSns3.cp.hostnet.nl2015-08-23 → 2017-09-04 · 4 obs
● 2015-08-23 05:58:50
● 2017-09-04 10:44:06
○ 2017-09-19 23:25:50
○ 2026-03-28 02:07:06
●NSshades01.rzone.de2026-03-28 → 2026-03-28 · 2 obs
○ 2017-10-17 06:17:44
● 2026-03-28 02:07:06
○MXmailfilter.hostnet.nl2015-08-23 → 2017-09-04 · 4 obs
● 2015-08-23 05:58:50
● 2017-09-04 10:44:06
○ 2017-09-19 23:25:50
○ 2026-03-28 02:07:06
○MXmx.transip.email2017-09-19 → 2017-10-17 · 4 obs
○ 2017-09-04 10:44:06
● 2017-09-19 23:25:50
● 2017-10-17 06:17:44
○ 2026-03-28 02:07:06
●MXsmtp.rzone.de2026-03-28 → 2026-03-28 · 2 obs
○ 2017-10-17 06:17:44
● 2026-03-28 02:07:06
●A2a01:238:20a:202:1077::2026-03-28 → 2026-03-28 · 2 obs
○ 2017-10-17 06:17:44
● 2026-03-28 02:07:06
○A2a01:7c8:aac3:8a:5054:ff:fea3:6a662017-09-19 → 2017-10-17 · 4 obs
○ 2017-09-04 10:44:06
● 2017-09-19 23:25:50
● 2017-10-17 06:17:44
○ 2026-03-28 02:07:06
○A37.97.206.1712017-09-19 → 2017-10-17 · 4 obs
○ 2017-09-04 10:44:06
● 2017-09-19 23:25:50
● 2017-10-17 06:17:44
○ 2026-03-28 02:07:06
●A81.169.145.772026-03-28 → 2026-03-28 · 2 obs
○ 2017-10-17 06:17:44
● 2026-03-28 02:07:06
○A91.184.27.1842015-08-23 → 2017-09-04 · 4 obs
● 2015-08-23 05:58:50
● 2017-09-04 10:44:06
○ 2017-09-19 23:25:50
○ 2026-03-28 02:07:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
4ub2b.nldocks19.rzone.de, shades01.rzone.de-

✅ Authoritative Response

Server:185.132.34.128

NS records: docks19.rzone.de, shades01.rzone.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 841ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.77
AAAA12a01:238:20a:202:1077::
NS2shades01.rzone.de, docks19.rzone.de
MX1smtp.rzone.de (pri: 5)
SOA1docks19.rzone.de hostmaster.strato-rz.de

Analysis

IP Addresses

4ub2b.nl resolves to two IP numbers: 2a01:238:20a:202:1077:: and 81.169.145.77.

Other host names, for instance esbo.de, schnauzer-vom-fidibus.de, efg-brandenburg.de, gd-musikproduktion.de and flirt3d.de share IP numbers with 4ub2b.nl.

Name Servers

Two name servers docks19.rzone.de and shades01.rzone.de handle delegation for 4ub2b.nl.

4ub2b.nl uses the same name server setup as other domains, for example blumen-ballenberger.de, dina24.de, csh-it.de, webly.de and smv-gmbh.net.

4ub2b.nl partially shares name servers with other domains; examples include albert-schedl.info, barbara-heimbach.de, hartamwindfanclub.com, dujic.com and my-beauty-secret.com.

These name servers are commonly used alongside shades10.rzone.de, docks16.rzone.de, shades17.rzone.de, docks10.rzone.de, shades07.rzone.de, shades03.rzone.de, docks13.rzone.de, shades06.rzone.de, shades15.rzone.de and shades18.rzone.de.

Host names with two IP numbers:

docks19.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:19 and 217.160.80.146

shades01.rzone.de points to: 2607:f1c0:fe:53:185:132:34:128 and 185.132.34.128

Mail Servers

4ub2b.nl is handled by a single mail server, smtp.rzone.de.

4ub2b.nl has the same mail server setup as other domains, including plussport.nl, kiteclasses.org, serveur.agt06.fr, zensi.nl and nielsvlaar.nl.

Host smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.