mail.wb21.nl - robtex.com

mail.wb21.nl

DNSSEC⚠️ Not signed
A5.22.250.115🇳🇱 CJ2-AS5.22.248.0/21 CJ2 Hosting
PTRweb155.init3.nl

wb21.nl

DNSSEC🔒 Signed (DS record present)
A5.22.250.115🇳🇱 CJ2-AS5.22.248.0/21 CJ2 Hosting
NSns1.init3bv.nl ⭐
NSns2.init3bv.nl
NSns3.init3.eu
NSns4.init3.eu
NSns5.init3.be
MXmail.wb21.nl ⭐
TXTv=spf1 +a +mx +a:web155.init3.nl -all
SOAns1.init3bv.nlhostmaster@init3bv.nl 2026-04-09 #1

MX for

wb21.nl

Same first word

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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A5.22.250.1155.255.79.687.195.107.108
●A5.22.250.1152026-02-22 → 2026-04-13 · 3 obs
○ 2016-09-11 01:23:28
● 2026-02-22 19:19:48
● 2026-04-13 00:02:42
○A5.255.79.62016-09-11 → 2016-09-11 · 4 obs
○ 2016-03-31 10:38:56
● 2016-09-11 01:23:28
○ 2026-02-22 19:19:48
○ 2026-04-13 00:02:42
○A87.195.107.1082015-06-12 → 2016-03-31 · 4 obs
● 2015-06-12 20:42:10
● 2016-03-31 10:38:56
○ 2016-09-11 01:23:28
○ 2026-04-13 00:02:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
wb21.nlns1.init3bv.nl, ns2.init3bv.nl, ns3.init3.eu, ns4.init3.eu...3 records

✅ Authoritative Response

Server:137.74.111.240

NS records: ns1.init3bv.nl, ns2.init3bv.nl, ns3.init3.eu, ns4.init3.eu, ns5.init3.be

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 627ms | Queries: -

📄 Records

TypeCountSample Data
A15.22.250.115

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.init3bv.nl, ns2.init3bv.nl, ns1.init3bv.nl)

Analysis

Mail Server Role

mail.wb21.nl serves as the mail server for wb21.nl.

IP Addresses

mail.wb21.nl resolves to a single IP: 5.22.250.115.

Other host names, for instance mijnkeukenbouwer.nl, web108.init3.nl, slicklabs.nl, chaletspecial.nl and tott-leeuwarden.nl share IP numbers with mail.wb21.nl.