mail.stackser.nl - robtex.com

mail.stackser.nl

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9b46🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:38b6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.182Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.155.70🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.182, 172.67.155.70
IPv6 hints2606:4700:3033::ac43:9b46, 2606:4700:3034::6815:38b6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com

stackser.nl

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9b46🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:38b6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.182Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.155.70🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgerardo.ns.cloudflare.com ⭐
NSlola.ns.cloudflare.com
MXstackser-nl.mail.protection.outlook.com ⭐
TXTv=spf1 mx a include:spf.protection.outlook.com include:servers.mcsv.net inclu...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.182, 172.67.155.70
IPv6 hints2606:4700:3033::ac43:9b46, 2606:4700:3034::6815:38b6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOAgerardo.ns.cloudflare.comdns@cloudflare.com serial=2410582054

PTR for

240.153.243.46.in-addr.arpa

Same first word

mail.net.ru
mail.cz
mail.gov.ms
mail.so
mail.ind.in
mail.com.in
mail.noip.us
mail.hippy.jp
mail.eating-organic.net
mail.ba.gov.br
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mail.global
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mail.hu.net
mail.whitesnow.jp
mail.se
mail.keymachine.de
mail.gd
mail.ms.gov.br
mail.csx.cc
mail.basicserver.io
mail.coupons
mail.js.org
mail.ch
mail.partners
mail.mt
mail.golffan.us
mail.sky
mail.town
mail.sh
mail.nom.za
mail.com.br
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mail.bike
mail.gr
mail.srv.br
mail.dyn-vpn.de
mail.serveminecraft.net
mail.gov.cn
mail.staba.jp
mail.pinoko.jp
mail.in.th
mail.insure
mail.tech
mail.rakkestad.no

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aiml.guru
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DNS History

5 records (4 active, 1 former)

A104.21.56.182172.67.155.702606:4700:3033::ac43:9b462606:4700:3034::6815:38b693.92.99.184
●A104.21.56.1822026-07-27 → 2026-07-27 · 3 obs
○ 2026-05-12 17:45:24
● 2026-07-27 22:48:00
● 2026-07-27 22:48:04
●A172.67.155.702026-07-27 → 2026-07-27 · 3 obs
○ 2026-05-12 17:45:24
● 2026-07-27 22:48:00
● 2026-07-27 22:48:04
●A2606:4700:3033::ac43:9b462026-07-27 → 2026-07-27 · 3 obs
○ 2026-05-12 17:45:24
● 2026-07-27 22:48:00
● 2026-07-27 22:48:04
●A2606:4700:3034::6815:38b62026-07-27 → 2026-07-27 · 3 obs
○ 2026-05-12 17:45:24
● 2026-07-27 22:48:00
● 2026-07-27 22:48:04
○A93.92.99.1842026-03-22 → 2026-05-12 · 4 obs
● 2026-03-22 07:34:26
● 2026-05-12 17:45:24
○ 2026-07-27 22:48:00
○ 2026-07-27 22:48:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
stackser.nllola.ns.cloudflare.com, gerardo.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.230

NS records: lola.ns.cloudflare.com, gerardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackser.nl (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.56.182, 172.67.155.70
AAAA22606:4700:3033::ac43:9b46, 2606:4700:3034::6815:38b6
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.stackser.nl has four IP addresses: 104.21.56.182, 172.67.155.70, 2606:4700:3033::ac43:9b46 and 2606:4700:3034::6815:38b6.

Two other host names, along with mail.jlynchservices.com, juegoswapos.com and mx.calciowebpuglia.it, also share IP numbers with mail.stackser.nl.