WWW.RTSAK.COM - ctr.dk

Search for IP or hostnames:

ctr.dk checked at 2025-10-16T23:46:44.802Z 227ms 100/100/100 100% R:14

`ctr.dk`

NS	`ns1.simply.com`
		A	2a02:2339:1:15c::4562:4562 ^{🇩🇰 team.blue DK}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team.blue DK}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562 ^{🇩🇰 team.blue DK}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team.blue DK}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team.blue DK}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team.blue DK}
			PTR	`ns4.simply.com`
MX	`mx-01-eu-central-1.prod.hydra.sophos.com`
		A	3.72.131.235^{🇩🇪 Amazon}
			PTR	`ec2-3-72-131-235.eu-central-1.compute.amazonaws.com`
		A	3.78.214.141^{🇩🇪 Amazon}
			PTR	`ec2-3-78-214-141.eu-central-1.compute.amazonaws.com`
MX	`mx-02-eu-central-1.prod.hydra.sophos.com`
		A	3.72.131.235^{🇩🇪 Amazon}
			PTR	`ec2-3-72-131-235.eu-central-1.compute.amazonaws.com`
		A	3.78.214.141^{🇩🇪 Amazon}
			PTR	`ec2-3-78-214-141.eu-central-1.compute.amazonaws.com`
A	162.159.134.42^Cloudflare

`dk`

	NS	`b.nic.dk`
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`

Up

mail.ctr.dk

Starts with same word

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Starts similarily

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AI analysis

The parent of mail.ctr.dk is ctr.dk.

ctr.dk points to IP number: 162.159.134.42.

Other host names such as fstfiltration.com, cagrd.com, gkh.com, strategicpointmarketing.com and belmontcollege.edu share IPs with ctr.dk.

ctr.dk is delegated to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

ctr.dk at least partially shares name servers with other domains, for instance hurtigere.dk, vebab.nu, enneagram-coach.dk, fiva.no and blueday.dk.

Host names with two IP numbers:

ns1.simply.com points to: 2a02:2339:1:15c::4562:4562 and 91.197.248.78.

ns2.simply.com points to: 2a02:2339:4006:101::4562:4562 and 185.25.141.15.

Host names with one IP number:

ns3.simply.com points to: 91.197.248.79.

ns4.simply.com points to: 91.197.248.80.

ctr.dk is handled by two mail servers: mx-01-eu-central-1.prod.hydra.sophos.com and mx-02-eu-central-1.prod.hydra.sophos.com.

The mail server setup for ctr.dk matches that of other domains, for instance beemster.be, audi-zentrum-neuss.de, stue.de, rollex.it and richttechnik.de.

ctr.dk shares at least partially some mail servers with other domains, including emlix.at, abagrichina.com, wdenergy.com, blanco682.com and reha-sendenhorst.de.

Host names with two IP numbers:

mx-01-eu-central-1.prod.hydra.sophos.com points to 3.72.131.235 and 3.78.214.141.

mx-02-eu-central-1.prod.hydra.sophos.com points to 3.72.131.235 and 3.78.214.141.

Host names pointing to 3.72.131.235: mx-01-eu-central-1.prod.hydra.sophos.com and mx-02-eu-central-1.prod.hydra.sophos.com.

Host names pointing to 3.78.214.141: mx-01-eu-central-1.prod.hydra.sophos.com and mx-02-eu-central-1.prod.hydra.sophos.com.

dbq