mail.instru.nl - robtex.com

mail.instru.nl

DNSSEC⚠️ Not signed
A2a06:2ec0:1::96🇳🇱 AS-ZXCS2a06:2ec0::/32
PTRweb0096.zxcs.nl
A185.104.29.38🇳🇱 AS-ZXCS185.104.29.0/24

instru.nl

DNSSEC🔒 Signed (DS record present)
A2a06:2ec0:1::5🇳🇱 AS-ZXCS2a06:2ec0::/32
A185.104.28.118🇳🇱 AS-ZXCS185.104.28.0/24
NSns.zxcs.nl ⭐
NSns.zxcs.be
NSns.zxcs.eu
MXmail.instru.nl ⭐
MXfallbackmail.zxcs.nl(20)
TXTgoogle-site-verification=d6tm7lfFjSOHYkoQfdhiCpUo-c8a0eH_iJrHQFSOP5Y
TXTv=spf1 a mx ip4:185.104.29.0/24 ip4:185.104.29.38 ip6:2a06:2ec0:1:0:0:0:0:96 ...
SOAns.zxcs.nlhostmaster@instru.nl 2026-04-16 #4

MX for

instru.nl

Same first word

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DNS History

2 records (2 active, 0 former)

20192020202120222023202420252026A185.104.29.382a06:2ec0:1::96
●A185.104.29.382018-06-04 → 2026-05-10 · 2 obs
● 2018-06-04 20:03:52
● 2026-05-10 17:32:28
●A2a06:2ec0:1::962018-06-04 → 2026-05-10 · 2 obs
● 2018-06-04 20:03:52
● 2026-05-10 17:32:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
instru.nlns.zxcs.eu, ns.zxcs.be, ns.zxcs.nl-

✅ Authoritative Response

Server:178.62.208.8

NS records: ns.zxcs.eu, ns.zxcs.be, ns.zxcs.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 836ms | Queries: -

📄 Records

TypeCountSample Data
A1185.104.29.38
AAAA12a06:2ec0:1::96

Analysis

Mail Server Role

mail.instru.nl is the mail server for instru.nl.

fallbackmail.zxcs.nl is a mail server commonly used with mail.instru.nl.

IP Addresses

mail.instru.nl resolves to two IP numbers: 2a06:2ec0:1::96 and 185.104.29.38.

other host names including mail.andrejansen.info, rrrobin.nl, mail.houthandelalteveer.nl, mail.yantraescort.com and mail.guardianangel.nl share IP numbers with mail.instru.nl.