`ctr.dk`

DNSSEC	🔒 Signed (DS record present)
A	95.216.30.5^{🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC}
		PTR	`static.5.30.216.95.clients.your-server.de`
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`mx-01-eu-central-1.prod.hydra.sophos.com` ⭐
		A	3.75.75.167^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
			PTR	`ec2-3-75-75-167.eu-central-1.compute.amazonaws.com`
		A	18.184.47.78^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`ec2-18-184-47-78.eu-central-1.compute.amazonaws.com`
MX	`mx-02-eu-central-1.prod.hydra.sophos.com` ⭐
		A	3.75.75.167^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
			PTR	`ec2-3-75-75-167.eu-central-1.compute.amazonaws.com`
		A	18.184.47.78^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`ec2-18-184-47-78.eu-central-1.compute.amazonaws.com`
TXT	`sophos-domain-verification=8f2ad12d3d61a8727dc38c5ce8f543a40e334ca7`
TXT	`v=spf1 include:_spf.sndr.no include:_spf15860.spfprotect.com -all`
TXT	`_globalsign-domain-verification=lxYbTg25j7lTden6wWrE5B5_81yme-KEfFx7VOdxWs`
TXT	`sophos-domain-verification=088ae3a66a5488e3bf88b477a57fdbaf9a1d87ec`
TXT	`_globalsign-domain-verification=Bhl856-TcWoxhbk0nWuJixzmtCC7lRpDSXMN5h9jtm`
TXT	`_globalsign-domain-verification=GUX2Zb15jYC-7SL7cC7B4GxejuWWwhnXcaAPyjeWF9`
TXT	`sophos-domain-verification=573d397b1856d457ae8095567160ecc8b04f90feb0547c492b...`
TXT	`ca3-a90ec8369ba64233b3897eca31c6d8c3`
TXT	`MS=ms25143600`
TXT	`MS=ms74080844`
SOA	`ns1.simply.com`hostmaster@simply.com 2026-03-09 #0

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1776995821localtime Fri Apr 24 03:57:01 2026gmtime Fri Ap...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1776995821

WOT: SAFE (71/100)

Subdomains

mail.ctr.dk

Same first word

ctr.se

ctr.su

ctr.kz

ctr.associates

ctr.pl

ctr.eu

ctr.bz

ctr.ms

ctr.ie

ctr.com

ctr.co.kr

ctr.net

ctr.fr

ctr.co

ctr.mobi

ctr.hk

ctr.ac.th

ctr.nl

ctr.dk

ctr.show

ctr.co.uk

ctr.org

ctr.id.au

ctr.com.hk

ctr.in

ctr.hu

ctr.cm

ctr.ir

ctr.me

ctr.info

ctr.com.tr

ctr.us

ctr.com.cn

ctr.com.br

ctr.care

ctr.ch

ctr.it

ctr.gov.me

ctr.sk

ctr.rs

ctr.es

ctr.kr

ctr.li

ctr.de

ctr.tools

ctr.lt

ctr.ru

ctr.co.at

ctr.ro

ctr.fit

ctr.at

ctr.com.my

ctr.com.tw

ctr.as

ctr.be

ctr.com.mx

ctr.ca

ctr.canva-apps.cn

ctr.cl

ctr.cz

ctr.id

Similar names

rct.at

trc.qld.gov.au

trc.energy

crt.edu.ph

rtc.eu

trc.de

rtc.net.au

trc.ie

trc.ca

rct.uk

rct.sk

trc.life

tcr.com.tr

rtc.tv

tcr.nl

rct.io

rtc.expert

rtc.guru

rct.net.cn

rtc.ie

rct.systems

rct.su

rtc.com.pl

trc.com.pe

crt.in.th

crt.org

crt.co.il

trc.co.id

crt.ddnss.de

crt.jp

rct.sc.gov.br

rtc.education

crt.co.kr

tcr.org.cn

rtc.london

tcr.cc

rtc.cv

trc.info

crt.org.mx

rtc.no-ip.org

crt.club

crt.biz

crt.rocks

rct.studio

trc.org.sg

trc.com.my

crt.it

rct.ro

tcr.com

tcr.ir

trc.be

rtc.pt

trc.li

trc.network

rtc.edu

rtc.ltd

crt.co.za

rct.info

rct.com

tcr.properties

rtc.pl

rct.nyc

rtc.coop

tcr.it

trc.kr

rtc.co.za

rtc.hr

rtc.cc

rct.de

tcr.es

trc.es

crt.ie

rtc.bt

trc.fi

trc.co.th

crt.de

tcr.nu

rct.us

trc.co.jp

crt.services

trc.cz

trc.world

rtc.email

rtc.sg

trc.kz

rct.ba

rct.ir

rct.dk

tcr.ch

rtc.cz

tcr.company

crt.money

rtc.world

rtc.spb.ru

rtc.fi

tcr.edu

rtc.berlin

rtc.lu

tcr.construction

rtc.okinawa

rct.co.za

trc.ae

crt.fr

tcr.biz

rtc.edu.ge

trc.dk

rct.net

DNS History

16 records (7 active, 9 former)

●NSns1.simply.com2026-02-26 → 2026-04-24 · 3 obs

○ 2018-08-18 20:27:22
● 2026-02-26 06:30:04
● 2026-04-24 02:16:34

○NSns1.surf-town.net2015-06-14 → 2018-08-18 · 5 obs

○ 2008-10-30 01:33:54
● 2015-06-14 01:17:10
● 2018-08-18 20:27:22
○ 2026-02-26 06:30:04
○ 2026-04-24 02:16:34

●NSns2.simply.com2026-02-26 → 2026-04-24 · 3 obs

○ 2018-08-18 20:27:22
● 2026-02-26 06:30:04
● 2026-04-24 02:16:34

○NSns2.surf-town.net2015-06-14 → 2018-08-18 · 5 obs

○ 2008-10-30 01:33:54
● 2015-06-14 01:17:10
● 2018-08-18 20:27:22
○ 2026-02-26 06:30:04
○ 2026-04-24 02:16:34

○NSns24.inet.tele.dk2008-10-30 → 2008-10-30 · 3 obs

● 2008-10-30 01:33:54
○ 2015-06-14 01:17:10
○ 2026-04-24 02:16:34

○NSns25.inet.tele.dk2008-10-30 → 2008-10-30 · 3 obs

● 2008-10-30 01:33:54
○ 2015-06-14 01:17:10
○ 2026-04-24 02:16:34

●NSns3.simply.com2026-02-26 → 2026-04-24 · 3 obs

○ 2018-08-18 20:27:22
● 2026-02-26 06:30:04
● 2026-04-24 02:16:34

○NSns3.surf-town.net2015-06-14 → 2018-08-18 · 5 obs

○ 2008-10-30 01:33:54
● 2015-06-14 01:17:10
● 2018-08-18 20:27:22
○ 2026-02-26 06:30:04
○ 2026-04-24 02:16:34

●NSns4.simply.com2026-02-26 → 2026-04-24 · 3 obs

○ 2018-08-18 20:27:22
● 2026-02-26 06:30:04
● 2026-04-24 02:16:34

○MXctrnt10.ctr.dk2008-10-30 → 2008-10-30 · 3 obs

● 2008-10-30 01:33:54
○ 2015-06-14 01:17:10
○ 2026-04-24 02:16:34

○MXmail.ctr.dk2008-10-30 → 2018-08-18 · 4 obs

● 2008-10-30 01:33:54
● 2018-08-18 20:27:22
○ 2026-02-26 06:30:04
○ 2026-04-24 02:16:34

○MXmail.dk.net2008-10-30 → 2008-10-30 · 3 obs

● 2008-10-30 01:33:54
○ 2015-06-14 01:17:10
○ 2026-04-24 02:16:34

●MXmx-01-eu-central-1.prod.hydra.sophos.com2026-02-26 → 2026-04-24 · 3 obs

○ 2018-08-18 20:27:22
● 2026-02-26 06:30:04
● 2026-04-24 02:16:34

●MXmx-02-eu-central-1.prod.hydra.sophos.com2026-02-26 → 2026-04-24 · 3 obs

○ 2018-08-18 20:27:22
● 2026-02-26 06:30:04
● 2026-04-24 02:16:34

○A212.97.132.2162015-06-14 → 2018-08-18 · 5 obs

○ 2008-10-30 01:33:54
● 2015-06-14 01:17:10
● 2018-08-18 20:27:22
○ 2026-02-26 06:30:04
○ 2026-04-24 02:16:34

●A95.216.30.52026-02-26 → 2026-04-24 · 3 obs

○ 2018-08-18 20:27:22
● 2026-02-26 06:30:04
● 2026-04-24 02:16:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
ctr.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:91.197.248.78

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1015ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`95.216.30.5`
NS	4	`ns3.simply.com, ns2.simply.com...`
MX	2	`mx-02-eu-central-1.prod.hydra.sophos.com, mx-01-eu-central-1.prod.hydra.sophos.com`
TXT	10	`sophos-domain-verification=8f2ad12d3d61a, v=spf1 include:_spf.sndr.no include:_spf...`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

Hierarchy

mail.ctr.dk has ctr.dk as its parent.

IP Addresses

ctr.dk maps to IP address 95.216.30.5.

Other host names, for instance hillerod.dk, www.hillerod.dk, eksponent.com, static.5.30.216.95.clients.your-server.de and folketeatret.dk share IP numbers with ctr.dk.

Name Servers

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 such as hurtigere.dk, businesstransport.dk, vebab.nu, enneagram-coach.dk and fiva.no.

These name servers are commonly used with ns1.unoeuro.com and ns2.unoeuro.com.

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.

Mail Servers

Two mail servers handle ctr.dk: mx-01-eu-central-1.prod.hydra.sophos.com and mx-02-eu-central-1.prod.hydra.sophos.com.

ctr.dk shares the same mail server setup as other domains, including beemster.be, iks-kunststoffe-geldern.de, ibktropic.com, audi-zentrum-neuss.de and hagenauer.de.

ctr.dk shares mail servers with other domains at least in part, for instance vn-dadi.de, emlix.at, embedded-linux.info, abagrichina.com and xgemail.com.

Host names with two IP numbers:

mx-01-eu-central-1.prod.hydra.sophos.com points to 3.75.75.167 and 18.184.47.78

mx-02-eu-central-1.prod.hydra.sophos.com points to 3.75.75.167 and 18.184.47.78

Hosts that point to 3.75.75.167: mx-01-eu-central-1.prod.hydra.sophos.com and mx-02-eu-central-1.prod.hydra.sophos.com

Hosts that point to 18.184.47.78: mx-01-eu-central-1.prod.hydra.sophos.com and mx-02-eu-central-1.prod.hydra.sophos.com

ctr.dk - robtex.com

ctr.dk

dk

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ctr.dk`

`dk`