itbuilder.nl - dns.ninja
itbuilder.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 185.89.5.50🇳🇱 CLDIN-NL185.89.4.0/22 Flexwebhosting B.V. | ||||||
| PTR | srv21150.flexwebhosting.nl | ||||||
| NS | ns1.flexwebhosting.nl ⭐ | ||||||
| A | 2a02:2968:2::10🇳🇱 CLDIN-NL2a02:2968::/29 | ||||||
| A | 62.84.243.10🇳🇱 CLDIN-NL62.84.240.0/21 | ||||||
| PTR | ns1.flexwebhosting.nl | ||||||
| NS | ns2.flexwebhosting.nl | ||||||
| A | 2a02:2968:2:5::30🇳🇱 CLDIN-NL2a02:2968::/29 | ||||||
| A | 185.27.140.33🇳🇱 CLDIN-NL185.27.140.0/22 | ||||||
| PTR | ns2.flexwebhosting.nl | ||||||
| NS | ns3.flexwebhosting.com | ||||||
| A | 185.231.200.133🇳🇱 CLDIN-NL185.231.200.0/22 | ||||||
| PTR | ns3.anony.eu | ||||||
| MX | srv1.flexfilter.nl ⭐ | ||||||
| MX | srv2.flexfilter.nl ⭐ | ||||||
| TXT | v=spf1 a mx a:spf.spamexperts.axc.nl include:_spf.google.com -all | ||||||
| SOA | ns1.flexwebhosting.nlhostmaster@itbuilder.nl serial=2100000350 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-01 04:00:02 +0000 (EPOCH 1782878402) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-01 #8 | ||||||
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.flexwebhosting.nl2015-07-17 → 2026-07-01 · 2 obs
● 2026-07-01 05:06:36
●NSns2.flexwebhosting.nl2015-07-17 → 2026-07-01 · 2 obs
● 2026-07-01 05:06:36
●NSns3.flexwebhosting.com2015-07-17 → 2026-07-01 · 2 obs
● 2026-07-01 05:06:36
●MXsrv1.flexfilter.nl2015-07-17 → 2026-07-01 · 2 obs
● 2026-07-01 05:06:36
●MXsrv2.flexfilter.nl2015-07-17 → 2026-07-01 · 2 obs
● 2026-07-01 05:06:36
●A185.89.5.502026-03-01 → 2026-07-01 · 3 obs
● 2026-03-01 11:31:22
● 2026-07-01 05:06:36
○A89.18.176.632015-07-17 → 2019-04-28 · 4 obs
● 2019-04-28 20:51:52
○ 2026-03-01 11:31:22
○ 2026-07-01 05:06:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns4.dns.nl, ns3.dns.nl | - |
| itbuilder.nl | ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com | 4 records |
✅ Authoritative Response
Server:185.231.200.133
NS records: ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 673ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.89.5.50 |
| NS | 3 | ns1.flexwebhosting.nl, ns3.flexwebhosting.com... |
| MX | 2 | srv2.flexfilter.nl (pri: 10), srv1.flexfilter.nl (pri: 10) |
| TXT | 1 | v=spf1 a mx a:spf.spamexperts.axc.nl inc |
| SOA | 1 | ns1.flexwebhosting.nl hostmaster.itbuild |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns1.flexwebhosting.nl...)
Analysis
IP Addresses
itbuilder.nl has exactly one IP address — 185.89.5.50.
synner.eu, meytex.nl, vandeweerdt.nl plus two other host names have IP numbers in common with itbuilder.nl.
Name Servers
itbuilder.nl has three name servers — ns3.flexwebhosting.com, ns1.flexwebhosting.nl and ns2.flexwebhosting.nl.
itbuilder.nl partially shares its NS delegation with several other domains, including discum.nl, tovertafel.nl, productontwikkeling.nl and two others.
These name servers regularly co-occur with the name servers ns1.anony.nl, ns2.anony.nl and ns3.anony.eu.
Host names pointing to two IP addresses:
ns1.flexwebhosting.nl resolves to 62.84.243.10 and 2a02:2968:2::10.
ns2.flexwebhosting.nl resolves to 185.27.140.33 and 2a02:2968:2:5::30.
Host names resolving to a single IP address:
ns3.flexwebhosting.com resolves to 185.231.200.133.
Mail Servers
itbuilder.nl uses two mail servers, srv1.flexfilter.nl and srv2.flexfilter.nl.
The mail server setup of itbuilder.nl matches that of other domains such as tandartsenpostrotterdam.nl, realmusic.be, dehertogh.nl and two others.
The mail servers of itbuilder.nl overlap at least partially with those of other domains, including debruijntomaten.nl, dexels.com and kievits.net.