mail.system4.nl - robtex.com

mail.system4.nl

DNSSEC⚠️ Not signed
A193.33.61.142🇳🇱 Snel193.33.61.0/24 .com B.V.
PTRmail.system4.nl

system4.nl

DNSSEC🔒 Signed (DS record present)
A2a01:4f9:3080:29cb::2🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK
A65.21.27.51🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC
NSns1.openprovider.nl ⭐
NSns2.openprovider.be
NSns3.openprovider.eu
MXmx.spamexperts.com ⭐
MXfallbackmx.spamexperts.eu(200)
MXlastmx.spamexperts.net(300)
TXTv=spf1 a mx ip4:65.21.27.51 ip6:2a01:4f9:3080:29cb::2 include:one.zoho.eu a:m...
SOAns1.openprovider.nldns@openprovider.eu 2026-03-03 #1
WOT: SAFE (50/100)
WOT: SAFE (35/100)

PTR for

142.61.33.193.in-addr.arpa

Same first word

mail.nu
mail.barcelona
mail.ddns.net
mail.net.kg
mail.qualifioapp.com
mail.photography
mail.net.au
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mail.sc
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mail.kz
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DNS History

7 records (1 active, 6 former)

20162017201820192020202120222023202420252026NSns1.openprovider.nlns2.openprovider.bens3.openprovider.euMXmx.luxcloud.netA193.33.61.142213.187.240.209CNAMEsystem4.nl
○NSns1.openprovider.nl2015-11-04 → 2016-05-09 · 4 obs
● 2015-11-04 05:23:54
● 2016-05-09 01:45:10
○ 2026-03-27 13:57:26
○ 2026-03-28 20:59:12
○NSns2.openprovider.be2015-11-04 → 2016-05-09 · 4 obs
● 2015-11-04 05:23:54
● 2016-05-09 01:45:10
○ 2026-03-27 13:57:26
○ 2026-03-28 20:59:12
○NSns3.openprovider.eu2015-11-04 → 2016-05-09 · 4 obs
● 2015-11-04 05:23:54
● 2016-05-09 01:45:10
○ 2026-03-27 13:57:26
○ 2026-03-28 20:59:12
○MXmx.luxcloud.net2015-11-04 → 2016-05-09 · 4 obs
● 2015-11-04 05:23:54
● 2016-05-09 01:45:10
○ 2026-03-27 13:57:26
○ 2026-03-28 20:59:12
●A193.33.61.1422026-03-27 → 2026-03-28 · 3 obs
○ 2016-05-09 01:45:10
● 2026-03-27 13:57:26
● 2026-03-28 20:59:12
○A213.187.240.2092015-06-20 → 2016-05-09 · 4 obs
● 2015-06-20 11:56:46
● 2016-05-09 01:45:10
○ 2026-03-27 13:57:26
○ 2026-03-28 20:59:12
○CNAMEsystem4.nl2015-06-20 → 2016-05-09 · 4 obs
● 2015-06-20 11:56:46
● 2016-05-09 01:45:10
○ 2026-03-27 13:57:26
○ 2026-03-28 20:59:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
system4.nlns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu-

✅ Authoritative Response

Server:162.159.27.96

NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 640ms | Queries: -

📄 Records

TypeCountSample Data
A1193.33.61.142

Analysis

IP Addresses

mail.system4.nl points to a single IP address: 193.33.61.142.

Other host names, for instance webmail.system4.nl, mx1.system4.nl, mx2.system4.nl and mail.creativestudio.nl share IP numbers with mail.system4.nl.