itbuilder.nl - robtex.com

itbuilder.nl

DNSSEC๐Ÿ”’ Signed (DS record present)
A185.89.5.50๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL185.89.4.0/22 Flexwebhosting B.V.
PTRsrv21150.flexwebhosting.nl
NSns1.flexwebhosting.nl โญ
A2a02:2968:2::10๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL2a02:2968::/29
A62.84.243.10๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL62.84.240.0/21
PTRns1.flexwebhosting.nl
NSns2.flexwebhosting.nl
A2a02:2968:2:5::30๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL2a02:2968::/29
A185.27.140.33๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL185.27.140.0/22
PTRns2.flexwebhosting.nl
NSns3.flexwebhosting.com
A185.231.200.133๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL185.231.200.0/22
PTRns3.anony.eu
MXsrv1.flexfilter.nl โญ
A62.84.240.181๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL62.84.240.0/21
PTRsrv2a.flexfilter.nl
A62.84.244.16๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL62.84.240.0/21
PTRsrv1a.flexfilter.nl
A62.84.244.25๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL62.84.240.0/21
PTRsrv1.flexfilter.nl
A185.89.6.110๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL185.89.4.0/22 Flexwebhosting B.V.
PTRsrv3a.flexfilter.nl
MXsrv2.flexfilter.nl โญ
A62.84.240.181๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL62.84.240.0/21
PTRsrv2a.flexfilter.nl
A62.84.244.16๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL62.84.240.0/21
PTRsrv1a.flexfilter.nl
A185.89.6.110๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL185.89.4.0/22 Flexwebhosting B.V.
PTRsrv3a.flexfilter.nl
TXTv=spf1 a mx a:spf.spamexperts.axc.nl include:_spf.google.com -all
SOAns1.flexwebhosting.nlhostmaster@itbuilder.nl serial=2100000343

nl

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns1.dns.nl โญ
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-05-09 13:30:02 +0000 (EPOCH 1778333402)
SOAns1.dns.nldns@sidn.nl 2026-05-09 #27

Same first word

Similar names

DNS History

7 records (6 active, 1 former)

20162017201820192020202120222023202420252026NSns1.flexwebhosting.nlns2.flexwebhosting.nlns3.flexwebhosting.comMXsrv1.flexfilter.nlsrv2.flexfilter.nlA185.89.5.5089.18.176.63
โ—NSns1.flexwebhosting.nl2015-07-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2015-07-17 03:05:10
โ— 2026-05-09 14:31:54
โ—NSns2.flexwebhosting.nl2015-07-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2015-07-17 03:05:10
โ— 2026-05-09 14:31:54
โ—NSns3.flexwebhosting.com2015-07-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2015-07-17 03:05:10
โ— 2026-05-09 14:31:54
โ—MXsrv1.flexfilter.nl2015-07-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2015-07-17 03:05:10
โ— 2026-05-09 14:31:54
โ—MXsrv2.flexfilter.nl2015-07-17 โ†’ 2026-05-09 ยท 2 obs
โ— 2015-07-17 03:05:10
โ— 2026-05-09 14:31:54
โ—A185.89.5.502026-03-01 โ†’ 2026-05-09 ยท 3 obs
โ—‹ 2019-04-28 20:51:52
โ— 2026-03-01 11:31:22
โ— 2026-05-09 14:31:54
โ—‹A89.18.176.632015-07-17 โ†’ 2019-04-28 ยท 4 obs
โ— 2015-07-17 03:05:10
โ— 2019-04-28 20:51:52
โ—‹ 2026-03-01 11:31:22
โ—‹ 2026-05-09 14:31:54

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
itbuilder.nlns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com4 records

โœ… Authoritative Response

Server:185.231.200.133

NS records: ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 619ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1185.89.5.50
NS3ns3.flexwebhosting.com, ns1.flexwebhosting.nl...
MX2srv1.flexfilter.nl (pri: 10), srv2.flexfilter.nl (pri: 10)
TXT1v=spf1 a mx a:spf.spamexperts.axc.nl inc
SOA1ns1.flexwebhosting.nl hostmaster.itbuild

๐Ÿ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.flexwebhosting.nl, ns1.flexwebhosting.nl, ns2.flexwebhosting.nl...)

Analysis

IP Addresses

itbuilder.nl points to a single IP: 185.89.5.50.

Other host names, for instance meytex.nl, vandeweerdt.nl, mail.vlasblomonline.com, keespunt.nl and kluskens.nu share IP numbers with itbuilder.nl.

Name Servers

itbuilder.nl is delegated to three name servers: ns3.flexwebhosting.com, ns1.flexwebhosting.nl and ns2.flexwebhosting.nl.

itbuilder.nl partially shares name servers with other domains; examples include discum.nl, tovertafel.nl, productontwikkeling.nl, dehardloopwinkel.nl and phantom.eu.

These name servers are commonly used with ns1.anony.nl, ns2.anony.nl and ns3.anony.eu.

Host names with two IP numbers:

ns1.flexwebhosting.nl points to 2a02:2968:2::10 and 62.84.243.10.

ns2.flexwebhosting.nl points to 2a02:2968:2:5::30 and 185.27.140.33.

Host names with one IP number:

ns3.flexwebhosting.com points to 185.231.200.133.

Mail Servers

itbuilder.nl is handled by two mail servers: srv1.flexfilter.nl and srv2.flexfilter.nl.

itbuilder.nl has the same mail server setup as other domains, including realmusic.be, dehertogh.nl, madeinchocolate.nl, femsation.com and duende.be.

itbuilder.nl shares some mail servers with other domains at least partially, for example gonzocircus.com, debruijntomaten.nl, dexels.com and kievits.net.

Host names with four IP numbers:

srv1.flexfilter.nl points to 62.84.240.181, 62.84.244.16, 62.84.244.25 and 185.89.6.110.

Host names with three IP numbers:

srv2.flexfilter.nl points to 62.84.240.181, 62.84.244.16 and 185.89.6.110.

Names that point to 62.84.240.181: srv1.flexfilter.nl and srv2.flexfilter.nl.

Names that point to 62.84.244.16: srv1.flexfilter.nl and srv2.flexfilter.nl.

Names that point to 185.89.6.110: srv1.flexfilter.nl and srv2.flexfilter.nl.