mail.kooster.nl - robtex.com

mail.kooster.nl

DNSSEC⚠️ Not signed
A2a05:1500:600:7:1c00:bbff:fe00:f39🇳🇱 CLDIN-NL2a05:1500:600::/40 PCextreme B.V. - Amsterdam (ams02)
PTRweb-1042.yourhosting.nl
A92.63.168.168🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route

kooster.nl

DNSSEC🔒 Signed (DS record present)
A2a05:1500:600:7:1c00:bbff:fe00:f39🇳🇱 CLDIN-NL2a05:1500:600::/40 PCextreme B.V. - Amsterdam (ams02)
A92.63.168.168🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route
NSns-j.dns.yourhosting.nl ⭐
NSns-o.dns.yourhosting.nu
NSns-t.dns.yourhosting.eu
MXprimary.yourfilter.nl ⭐
MXfilter4a.spamservice.nl(100)
TXTv=spf1 a include:_spf.yourfilter.nl ~all
SOAns-j.dns.yourhosting.nlroot@eatserver.nl 2025-10-01 #5

Previously MX for

kooster.nl

Same first word

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DNS History

4 records (2 active, 2 former)

20162017201820192020202120222023202420252026A2a05:1500:600:7:1c00:bbff:fe00:f3992.63.168.168195.20.9.1342001:67c:28fc:195:20:9:134:0
○A195.20.9.1342015-07-23 → 2016-05-02 · 4 obs
● 2015-07-23 09:25:30
● 2016-05-02 19:50:50
○ 2026-06-11 06:32:32
○ 2026-07-29 05:25:44
○A2001:67c:28fc:195:20:9:134:02015-11-20 → 2016-05-02 · 5 obs
○ 2015-07-23 09:25:30
● 2015-11-20 06:00:22
● 2016-05-02 19:50:50
○ 2026-06-11 06:32:32
○ 2026-07-29 05:25:44
●A2a05:1500:600:7:1c00:bbff:fe00:f392026-06-11 → 2026-07-29 · 5 obs
○ 2016-05-02 19:50:50
● 2026-06-11 06:32:32
○ 2026-06-27 03:39:36
● 2026-07-29 05:25:40
● 2026-07-29 05:25:44
●A92.63.168.1682026-06-11 → 2026-07-29 · 5 obs
○ 2016-05-02 19:50:50
● 2026-06-11 06:32:32
○ 2026-06-27 03:39:36
● 2026-07-29 05:25:40
● 2026-07-29 05:25:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
kooster.nlns-j.dns.yourhosting.nl, ns-o.dns.yourhosting.nu, ns-t.dns.yourhosting.eu-

✅ Authoritative Response

Server:31.25.98.12

NS records: ns-j.dns.yourhosting.nl, ns-o.dns.yourhosting.nu, ns-t.dns.yourhosting.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 4210ms | Queries: -

📄 Records

TypeCountSample Data
A192.63.168.168
AAAA12a05:1500:600:7:1c00:bbff:fe00:f39

Analysis

IP Addresses

mail.kooster.nl directs to two IP numbers, 92.63.168.168 and 2a05:1500:600:7:1c00:bbff:fe00:f39

Two other host names, along with vikingfilm.nl, mail.vesta-intracon.nl and pimentadasilva.nl, also share IP numbers with mail.kooster.nl.