koolteer.com - dns.ninja

`koolteer.com`

DNSSEC	⚠️ Not signed
A	185.37.70.41^{🇳🇱 CLDIN-NL185.37.68.0/22}
		PTR	`server043.yourhosting.nl`
NS	`ns-g.dns.yourhosting.nl` ⭐
		A	2a05:1500:600:e:1c00:94ff:fe00:3183^{🇳🇱 CLDIN-NL2a05:1500:600::/40 PCextreme B.V. - Amsterdam (ams02)}
			PTR	`dns-yh-13.dns.cldin.net`
		A	92.63.171.241^{🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route}
NS	`ns-k.dns.yourhosting.eu`
NS	`ns-u.dns.yourhosting.nu`
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}
			PTR	`se30-yh.route25.eu`
		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	`fallback.yourfilter.nl`⁽²⁰⁾
		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::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	2a05:1500:702:9:1c00:7fff:fe00:5556^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	2a05:1500:702:9:1c00:f0ff:fe00:5555^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	185.103.241.22^{🇳🇱 CLDIN-NL185.103.240.0/22}
		A	185.103.241.23^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se30-yh.route25.eu`
		A	185.223.33.23^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se23-yh.route25.eu`
		A	185.223.33.25^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se21-yh.route25.eu`
		A	185.223.33.26^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se20-yh.route25.eu`
		A	185.223.33.27^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se19-yh.route25.eu`
		A	185.223.33.30^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se16-yh.route25.eu`
TXT	`v=spf1 a mx include:_spf.yourfilter.nl -all`
SOA	`ns-g.dns.yourhosting.nl`hostmaster@firstfind.nl 2026-01-21 #5

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786704969

Same first word

koolteer.com

Similar names

elektoor.com

oelektro.no

elektroo.cz

oelektro.de

okelotre.site

retekool.com

orokelet.com

kolotree.com

kooltree.com

DNS History

13 records (6 active, 7 former)

●NSns-g.dns.yourhosting.nl2026-04-24 → 2026-08-14 · 3 obs

○ 2018-10-23 07:59:10
● 2026-04-24 01:02:10
● 2026-08-14 11:11:00

●NSns-k.dns.yourhosting.eu2026-04-24 → 2026-08-14 · 3 obs

○ 2018-10-23 07:59:10
● 2026-04-24 01:02:10
● 2026-08-14 11:11:00

●NSns-u.dns.yourhosting.nu2026-04-24 → 2026-08-14 · 3 obs

○ 2018-10-23 07:59:10
● 2026-04-24 01:02:10
● 2026-08-14 11:11:00

○NSns3.firstfind.nl2015-07-22 → 2018-10-23 · 4 obs

● 2015-07-22 20:41:32
● 2018-10-23 07:59:10
○ 2026-04-24 01:02:10
○ 2026-08-14 11:11:00

○NSns4.firstfind.nl2015-07-22 → 2018-10-23 · 4 obs

● 2015-07-22 20:41:32
● 2018-10-23 07:59:10
○ 2026-04-24 01:02:10
○ 2026-08-14 11:11:00

○NSns5.firstfind.net2015-07-22 → 2018-10-23 · 4 obs

● 2015-07-22 20:41:32
● 2018-10-23 07:59:10
○ 2026-04-24 01:02:10
○ 2026-08-14 11:11:00

●MXfallback.yourfilter.nl2026-04-24 → 2026-08-14 · 3 obs

○ 2018-10-23 07:59:10
● 2026-04-24 01:02:10
● 2026-08-14 11:11:00

○MXmx1.firstfind.nl2015-07-22 → 2018-10-23 · 4 obs

● 2015-07-22 20:41:32
● 2018-10-23 07:59:10
○ 2026-04-24 01:02:10
○ 2026-08-14 11:11:00

○MXmx2.firstfind.nl2015-07-22 → 2018-10-23 · 4 obs

● 2015-07-22 20:41:32
● 2018-10-23 07:59:10
○ 2026-04-24 01:02:10
○ 2026-08-14 11:11:00

●MXprimary.yourfilter.nl2026-04-24 → 2026-08-14 · 3 obs

○ 2018-10-23 07:59:10
● 2026-04-24 01:02:10
● 2026-08-14 11:11:00

○MXserver7.starthosting.nl2015-07-22 → 2018-10-23 · 4 obs

● 2015-07-22 20:41:32
● 2018-10-23 07:59:10
○ 2026-04-24 01:02:10
○ 2026-08-14 11:11:00

○A109.235.74.402015-07-22 → 2018-10-23 · 4 obs

● 2015-07-22 20:41:32
● 2018-10-23 07:59:10
○ 2026-04-24 01:02:10
○ 2026-08-14 11:11:00

●A185.37.70.412026-04-24 → 2026-08-14 · 3 obs

○ 2018-10-23 07:59:10
● 2026-04-24 01:02:10
● 2026-08-14 11:11:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
koolteer.com	ns-g.dns.yourhosting.nl, ns-k.dns.yourhosting.eu, ns-u.dns.yourhosting.nu	-

✅ Authoritative Response

Server:92.63.171.241

NS records: ns-g.dns.yourhosting.nl, ns-k.dns.yourhosting.eu, ns-u.dns.yourhosting.nu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koolteer.com (unsigned zone)

⏱️ Timing

Total: 1908ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.37.70.41`
NS	3	`ns-k.dns.yourhosting.eu, ns-g.dns.yourhosting.nl...`
MX	2	`primary.yourfilter.nl (pri: 10), fallback.yourfilter.nl (pri: 20)`
TXT	1	`v=spf1 a mx include:_spf.yourfilter.nl -`
SOA	1	`ns-g.dns.yourhosting.nl hostmaster.first`

Analysis

IP Addresses

koolteer.com points to a single IP number: 185.37.70.41.

Additional host names — meetec.nl, j-con.nl, beyondcursus.nl and two others — share IP numbers with koolteer.com.

Name Servers

koolteer.com has three name servers — ns-k.dns.yourhosting.eu, ns-g.dns.yourhosting.nl and ns-u.dns.yourhosting.nu.

koolteer.com partially shares its NS delegation with several other domains, including lukasart.com, haakma.nl, kamp.nl and two others.

In DNS configurations, these name servers often share authority with ns-h.dns.yourhosting.eu, ns-j.dns.yourhosting.nl, ns-m.dns.yourhosting.nl and 7 other name servers.

Host names with two IP numbers:

ns-g.dns.yourhosting.nl resolves to 92.63.171.241 and 2a05:1500:600:e:1c00:94ff:fe00:3183.

Mail Servers

koolteer.com has two mail servers: fallback.yourfilter.nl and primary.yourfilter.nl.

koolteer.com shares the same mail server setup as other domains, including xandrone.com, tigch.nl, marmottecyclo.nl and two others.

koolteer.com shares mail servers — at least in part — with other domains, including eetwijn.com, vanzanten-breeuwer.nl, topsolutions.nl and two others.

Host names with 24 IP numbers:

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

Host names with 14 IP numbers:

fallback.yourfilter.nl points to 185.103.241.22, 185.103.241.23, 185.223.33.23 and 11 other IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 2a01:b941:2::23 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 2a01:b941:2::24 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 2a01:b941:2::28 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 2a01:b941:2::29 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 2a01:b941:2::30 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 2a05:1500:702:9:1c00:7fff:fe00:5556 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 2a05:1500:702:9:1c00:f0ff:fe00:5555 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 185.103.241.22 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 185.103.241.23 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 185.223.33.23 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 185.223.33.27 IP addresses.

The host names primary.yourfilter.nl and fallback.yourfilter.nl both resolve to 185.223.33.30 IP addresses.