`kooster.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a05:1500:600:7:1c00:bbff:fe00:f39^{🇳🇱 CLDIN-NL2a05:1500:600::/40 PCextreme B.V. - Amsterdam (ams02)}
		PTR	`web-1042.yourhosting.nl`
A	92.63.168.168^{🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route}
NS	`ns-j.dns.yourhosting.nl` ⭐
NS	`ns-o.dns.yourhosting.nu`
NS	`ns-t.dns.yourhosting.eu`
MX	`primary.yourfilter.nl` ⭐
		A	2a01:b941:2::23^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se23-yh.route25.eu`
		A	2a01:b941:2::24^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se22-yh.route25.eu`
		A	2a01:b941:2::25^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se21-yh.route25.eu`
		A	2a01:b941:2::26^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se20-yh.route25.eu`
		A	2a01:b941:2::27^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se19-yh.route25.eu`
		A	2a01:b941:2::28^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se18-yh.route25.eu`
		A	2a01:b941:2::29^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se17-yh.route25.eu`
		A	2a01:b941:2::30^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se16-yh.route25.eu`
		A	2a05:1500:702:9:1c00:2aff:fe00:5554^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	2a05:1500:702:9:1c00:7fff:fe00:5556^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	2a05:1500:702:9:1c00:a3ff:fe00:5558^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	2a05:1500:702:9:1c00:a5ff:fe00:5553^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	2a05:1500:702:9:1c00:f0ff:fe00:5555^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	185.103.241.20^{🇳🇱 CLDIN-NL185.103.240.0/22}
		A	185.103.241.21^{🇳🇱 CLDIN-NL185.103.240.0/22}
		A	185.103.241.22^{🇳🇱 CLDIN-NL185.103.240.0/22}
		A	185.103.241.23^{🇳🇱 CLDIN-NL185.103.240.0/22}
		A	185.103.241.25^{🇳🇱 CLDIN-NL185.103.240.0/22}
		A	185.223.33.23^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se23-yh.route25.eu`
		A	185.223.33.24^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se22-yh.route25.eu`
		A	185.223.33.27^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se19-yh.route25.eu`
		A	185.223.33.28^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se18-yh.route25.eu`
		A	185.223.33.29^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se17-yh.route25.eu`
		A	185.223.33.30^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se16-yh.route25.eu`
MX	`filter4a.spamservice.nl`⁽¹⁰⁰⁾
		A	2001:1460:3:4:1c00:9bff:fe00:265e^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter4.spamservice.nl`
		A	62.221.202.28^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`filter4a.spamservice.nl`
TXT	`v=spf1 a include:_spf.yourfilter.nl ~all`
SOA	`ns-j.dns.yourhosting.nl`root@eatserver.nl 2025-10-01 #5

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-26 13:30:02 +0000 (EPOCH 1785072602)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-26 #27

Same first word

kooster.nl

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DNS History

12 records (7 active, 5 former)

●NSns-j.dns.yourhosting.nl2026-06-11 → 2026-07-26 · 3 obs

○ 2017-02-20 07:00:28
● 2026-06-11 06:32:32
● 2026-07-26 14:31:18

●NSns-o.dns.yourhosting.nu2026-06-11 → 2026-07-26 · 3 obs

○ 2017-02-20 07:00:28
● 2026-06-11 06:32:32
● 2026-07-26 14:31:18

●NSns-t.dns.yourhosting.eu2026-06-11 → 2026-07-26 · 3 obs

○ 2017-02-20 07:00:28
● 2026-06-11 06:32:32
● 2026-07-26 14:31:18

○NSns.eatserver.nl2015-06-19 → 2017-02-20 · 4 obs

● 2015-06-19 12:00:16
● 2017-02-20 07:00:28
○ 2026-06-11 06:32:32
○ 2026-07-26 14:31:18

○NSns2.eatserver.nl2015-06-19 → 2017-02-20 · 4 obs

● 2015-06-19 12:00:16
● 2017-02-20 07:00:28
○ 2026-06-11 06:32:32
○ 2026-07-26 14:31:18

●MXfilter4a.spamservice.nl2026-06-11 → 2026-07-26 · 7 obs

○ 2017-02-20 07:00:28
● 2026-06-11 06:32:32
○ 2026-06-27 03:39:36
● 2026-06-28 23:46:12
○ 2026-07-09 04:12:16
● 2026-07-11 19:39:50
● 2026-07-26 14:31:18

○MXmail.kooster.nl2015-06-19 → 2017-02-20 · 4 obs

● 2015-06-19 12:00:16
● 2017-02-20 07:00:28
○ 2026-06-11 06:32:32
○ 2026-07-26 14:31:18

●MXprimary.yourfilter.nl2026-06-11 → 2026-07-26 · 7 obs

○ 2017-02-20 07:00:28
● 2026-06-11 06:32:32
○ 2026-06-27 03:39:36
● 2026-06-28 23:46:12
○ 2026-07-09 04:12:16
● 2026-07-11 19:39:50
● 2026-07-26 14:31:18

○A195.20.9.1342015-06-19 → 2017-02-20 · 4 obs

● 2015-06-19 12:00:16
● 2017-02-20 07:00:28
○ 2026-06-11 06:32:32
○ 2026-07-26 14:31:18

○A2001:67c:28fc:195:20:9:134:02015-11-07 → 2017-02-20 · 5 obs

○ 2015-06-19 12:00:16
● 2015-11-07 02:15:28
● 2017-02-20 07:00:28
○ 2026-06-11 06:32:32
○ 2026-07-26 14:31:18

●A2a05:1500:600:7:1c00:bbff:fe00:f392026-06-11 → 2026-07-26 · 7 obs

○ 2017-02-20 07:00:28
● 2026-06-11 06:32:32
○ 2026-06-27 03:39:36
● 2026-06-28 23:46:12
○ 2026-07-09 04:12:16
● 2026-07-11 19:39:50
● 2026-07-26 14:31:18

●A92.63.168.1682026-06-11 → 2026-07-26 · 7 obs

○ 2017-02-20 07:00:28
● 2026-06-11 06:32:32
○ 2026-06-27 03:39:36
● 2026-06-28 23:46:12
○ 2026-07-09 04:12:16
● 2026-07-11 19:39:50
● 2026-07-26 14:31:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
kooster.nl	ns-j.dns.yourhosting.nl, ns-o.dns.yourhosting.nu, ns-t.dns.yourhosting.eu	-

✅ Authoritative Response

Server:92.63.169.36

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: 3400ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.63.168.168`
AAAA	1	`2a05:1500:600:7:1c00:bbff:fe00:f39`
NS	3	`ns-t.dns.yourhosting.eu, ns-o.dns.yourhosting.nu...`
MX	2	`primary.yourfilter.nl (pri: 10), filter4a.spamservice.nl (pri: 100)`
TXT	1	`v=spf1 a include:_spf.yourfilter.nl ~all`
SOA	1	`ns-j.dns.yourhosting.nl root.eatserver.n`

Analysis

IP Addresses

kooster.nl has two IP addresses: 92.63.168.168 and 2a05:1500:600:7:1c00:bbff:fe00:f39

Additional host names — nick-ramsey.eu, mail.greentiger.nl, mail.verzekeringspakket.info and two others — share IP numbers with kooster.nl.

Name Servers

kooster.nl is delegated to three name servers: ns-t.dns.yourhosting.eu, ns-j.dns.yourhosting.nl and ns-o.dns.yourhosting.nu.

There is at least partial name server overlap between kooster.nl and other domains — sjoerdroodenburg.nl, spiritcoachingentraining.nl, glamnails.nl and two more among them.

These name servers regularly appear alongside ns-r.dns.yourhosting.nu, ns-w.dns.yourhosting.eu, ns-p.dns.yourhosting.nl and 7 other name servers in NS record sets.

Mail Servers

kooster.nl has two mail servers: filter4a.spamservice.nl and primary.yourfilter.nl.

kooster.nl shares mail servers — at least in part — with other domains, including eyecentre.nl, qonnector.nl, detwiehl.com and two others.

These mail servers are frequently seen alongside the mail servers fallback.yourfilter.nl.

Host names with 24 IP numbers:

primary.yourfilter.nl resolves to 185.103.241.20, 185.103.241.21, 185.103.241.22 and 21 other IP addresses.

Host names with two IP numbers:

filter4a.spamservice.nl points to 62.221.202.28 and 2001:1460:3:4:1c00:9bff:fe00:265e.

kooster.nl - robtex.com

kooster.nl

nl

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`kooster.nl`

`nl`