mail.optimest.nl - robtex.com

mail.optimest.nl

DNSSEC⚠️ Not signed
A2a06:2ec0:1::86🇳🇱 AS-ZXCS2a06:2ec0::/32
PTRweb0086.zxcs.nl
A185.104.29.20🇳🇱 AS-ZXCS185.104.29.0/24

optimest.nl

DNSSEC🔒 Signed (DS record present)
A2a06:2ec0:1::86🇳🇱 AS-ZXCS2a06:2ec0::/32
A185.104.29.20🇳🇱 AS-ZXCS185.104.29.0/24
NSns.zxcs.nl ⭐
NSns.zxcs.be
NSns.zxcs.eu
MXspamrelay.zxcs.nl ⭐
TXTv=spf1 a mx ip4:185.104.29.20 ip6:2a06:2ec0:1:0:0:0:0:86 include:filter-out.z...
SOAns.zxcs.nlhostmaster@optimest.nl 2026-02-06 #3

Previously MX for

optimest.nl

Same first word

mail.basicserver.io
mail.coupons
mail.js.org
mail.ch
mail.partners
mail.mt
mail.golffan.us
mail.town
mail.sh
mail.nom.za
mail.com.br
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mail.bike
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mail.gov.cn
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mail.fage
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mail.abbott
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mail.wroclaw.pl
mail.et
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mail.bz
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mail.ht
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mail.collegefan.org
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mail.dnsfor.me
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mail.info
mail.simplesite.com
mail.gw
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mail.gov.la
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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026A185.104.29.202a06:2ec0:1::86193.138.251.69
●A185.104.29.202026-03-05 → 2026-04-18 · 3 obs
○ 2016-11-29 17:12:12
● 2026-03-05 16:06:48
● 2026-04-18 06:58:34
○A193.138.251.692015-05-09 → 2016-11-29 · 4 obs
● 2015-05-09 22:27:12
● 2016-11-29 17:12:12
○ 2026-03-05 16:06:48
○ 2026-04-18 06:58:34
●A2a06:2ec0:1::862026-03-05 → 2026-04-18 · 3 obs
○ 2016-11-29 17:12:12
● 2026-03-05 16:06:48
● 2026-04-18 06:58:34

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:46.101.179.64

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 741ms | Queries: -

📄 Records

TypeCountSample Data
A1185.104.29.20
AAAA12a06:2ec0:1::86

Analysis

IP Addresses

mail.optimest.nl resolves to two IP numbers: 2a06:2ec0:1::86 and 185.104.29.20.

other host names including mail.hcdt.nl, mail.tflex.nl, partypay.nl, zegelring.nl and _dc-mx.680461611f3b.rongo.es share IP numbers with mail.optimest.nl.