mail.simstim.nl - robtex.com

mail.simstim.nl

DNSSEC⚠️ Not signed
A2a04:52c0:136:3a98::33🇳🇱 Liteserver2a04:52c0::/32 IPv6
PTRwebserver3.doorons.online
A103.251.166.33🇳🇱 Liteserver103.251.164.0/22 LITESERVER-Route

simstim.nl

DNSSEC⚠️ Not signed
A2a04:52c0:136:3a98::33🇳🇱 Liteserver2a04:52c0::/32 IPv6
A103.251.166.33🇳🇱 Liteserver103.251.164.0/22 LITESERVER-Route
NSnameserver1.doorons.online ⭐
NSnameserver2.doorons.net
NSnameserver3.doorons.eu
NSnameserver4.doorons.com
MXmx.spamexperts.com ⭐
MXfallbackmx.spamexperts.eu(20)
MXlastmx.spamexperts.net(30)
TXTv=spf1 a mx ip4:103.251.166.233 ip6:2a04:52c0:136:3a98:0:0:0:33 ~all
SOAnameserver1.doorons.onlinehostmaster@simstim.nl 2026-03-06 #0

Previously MX for

simstim.nl

Same first word

mail.gov.rw
mail.gov.bs
mail.ca
mail.je
mail.ks.ua
mail.org.br
mail.technology
mail.edu.ru
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mail.report
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mail.dix.asia
mail.gov.nr
mail.sg
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mail.camp
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mail.pink
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mail.guide
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mail.info
mail.simplesite.com
mail.gw
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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026A103.251.166.332a04:52c0:136:3a98::3391.184.0.100
●A103.251.166.332026-02-23 → 2026-03-27 · 3 obs
○ 2016-01-23 12:16:02
● 2026-02-23 23:57:40
● 2026-03-27 23:08:06
●A2a04:52c0:136:3a98::332026-03-23 → 2026-03-27 · 3 obs
○ 2026-02-23 23:57:40
● 2026-03-23 20:00:48
● 2026-03-27 23:08:06
○A91.184.0.1002015-05-12 → 2015-11-04 · 4 obs
● 2015-05-12 17:59:26
● 2015-11-04 14:48:44
○ 2016-01-23 12:16:02
○ 2026-03-27 23:08:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
simstim.nlnameserver1.doorons.online, nameserver2.doorons.net, nameserver3.doorons.eu, nameserver4.doorons.com-

✅ Authoritative Response

Server:45.132.11.41

NS records: nameserver1.doorons.online, nameserver2.doorons.net, nameserver3.doorons.eu, nameserver4.doorons.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simstim.nl (unsigned zone)

⏱️ Timing

Total: 565ms | Queries: -

📄 Records

TypeCountSample Data
A1103.251.166.33
AAAA12a04:52c0:136:3a98::33

Analysis

IP Addresses

mail.simstim.nl resolves to two IP numbers: 2a04:52c0:136:3a98::33 and 103.251.166.33.

Other host names, for instance mail.stats.texelinformatie.nl, limburgtv.nl, mail.texelaanbiedingen.nl, inseltexel.nl and texelhotels.nl share IP numbers with mail.simstim.nl.