`tck.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:8c09^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4f11^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.17^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.9^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ganz.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c28^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ganz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c328^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ganz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2328^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ganz.ns.cloudflare.com`
		A	108.162.195.40^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ganz.ns.cloudflare.com`
		A	162.159.44.40^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ganz.ns.cloudflare.com`
		A	172.64.35.40^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ganz.ns.cloudflare.com`
NS	`jill.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jill.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jill.ns.cloudflare.com`
		A	108.162.192.122^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	172.64.32.122^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	173.245.58.122^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
MX	`tck-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms37405933`
TXT	`apple-domain-verification=ilxLz6DLqbYzK42H`
TXT	`brevo-code:11972579ae4fa3d0cdafac48eba5e541`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.17, 172.67.140.9
		IPv6 hints	2606:4700:3035::ac43:8c09, 2606:4700:3036::6815:4f11
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com
SOA	`ganz.ns.cloudflare.com`dns@cloudflare.com serial=2408391003

`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 1783154701localtime Sat Jul 4 10:45:01 2026gmtime Sat Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1783154701

Same first word

tck.hk

tck.it

tck.nl

tck.edu.hk

tck.co.za

tck.pl

tck.se

tck.com.au

tck.am

tck.com.tw

tck.com.br

tck.ru

tck.net.pl

tck.com.tr

tck.eu

tck.kz

tck.cn

tck.vn

tck.com.my

tck.su

tck.ac.jp

tck.at

tck.com

tck.ch

tck.co.uk

tck.com.ua

tck.us

tck.email

tck.net

tck.gg

tck.com.cn

tck.fr

tck.ro

tck.kr

tck.org.tr

tck.jp

tck.co.jp

tck.link

tck.me

tck.be

tck.work

tck.dk

tck.mn

tck.ir

tck.ca

tck.es

tck.co.kr

Similar names

ckt.in

kct.it

kct.ie

ctk.ru

tkc.ddns.net

kct.co.kr

ckt.uz

ckt.hk

ktc.direct

ckt.ie

tkc.cn

kct.company

kct.fi

kct.cn

tkc.firm.in

ktc.agency

tkc.eu

ktc.it

tkc.ru

kct.cc

ktc.kz

ckt.com.vn

ctk.pt

tkc.or.jp

ctk.info

ktc.eu

tkc.ac.th

ckt.eu

tkc.edu.vn

kct.ac.jp

ktc.mx

ckt.one

ktc.org

ktc.go.kr

ckt.lt

ktc.by

ktc.fr

ktc.gg

kct.net

ctk.ca

ckt.ca

ktc.net.kw

tkc.com.ua

ctk.life

ctk.com.hk

ktc.lt

ctk.us

ktc.de

ktc.com

tkc.vn

ctk.com.ru

ktc.gmbh

ktc.edu

kct.ne.jp

ktc.co.kr

tkc.at

ktc.at

ctk.com.au

ckt.com.co

ktc.so

ctk.net

kct.cz

ktc.su

tkc.wa.edu.au

ktc.com.qa

tkc.ie

ktc.gr

ktc.com.ve

ctk.net.cn

ctk.in

tkc.ch

ktc.zone

ckt.com.au

ctk.es

tkc.deals

kct.net.ua

kct.co.id

ckt.com.tw

ktc.us

tkc.biz

ckt.cn

ctk.io

ckt.jp

tkc.co.th

ctk.co.jp

tkc.co.at

ckt.fi

tkc.net

tkc.com.tw

ctk.se

kct.cl

DNS History

14 records (7 active, 7 former)

●NSganz.ns.cloudflare.com2026-06-11 → 2026-07-04 · 3 obs

○ 2017-04-13 04:07:36
● 2026-06-11 11:23:14
● 2026-07-04 08:59:14

●NSjill.ns.cloudflare.com2026-06-11 → 2026-07-04 · 3 obs

○ 2017-04-13 04:07:36
● 2026-06-11 11:23:14
● 2026-07-04 08:59:14

○NSns1.exportnames.com2015-09-04 → 2016-01-06 · 4 obs

● 2015-09-04 11:22:52
● 2016-01-06 22:50:32
○ 2016-09-29 02:39:28
○ 2026-07-04 08:59:14

○NSns1648.ztomy.com2016-09-29 → 2017-04-13 · 5 obs

○ 2016-01-06 22:50:32
● 2016-09-29 02:39:28
● 2017-04-13 04:07:36
○ 2026-06-11 11:23:14
○ 2026-07-04 08:59:14

○NSns2.exportnames.com2015-09-04 → 2016-01-06 · 4 obs

● 2015-09-04 11:22:52
● 2016-01-06 22:50:32
○ 2016-09-29 02:39:28
○ 2026-07-04 08:59:14

○NSns2648.ztomy.com2016-09-29 → 2017-04-13 · 5 obs

○ 2016-01-06 22:50:32
● 2016-09-29 02:39:28
● 2017-04-13 04:07:36
○ 2026-06-11 11:23:14
○ 2026-07-04 08:59:14

●MXtck-dk.mail.protection.outlook.com2026-06-11 → 2026-07-04 · 2 obs

● 2026-06-11 11:23:14
● 2026-07-04 08:59:14

●A104.21.79.172026-06-11 → 2026-07-04 · 3 obs

○ 2017-04-13 04:07:36
● 2026-06-11 11:23:14
● 2026-07-04 08:59:14

●A172.67.140.92026-06-11 → 2026-07-04 · 3 obs

○ 2017-04-13 04:07:36
● 2026-06-11 11:23:14
● 2026-07-04 08:59:14

○A204.11.56.482016-09-29 → 2017-04-13 · 5 obs

○ 2016-01-06 22:50:32
● 2016-09-29 02:39:28
● 2017-04-13 04:07:36
○ 2026-06-11 11:23:14
○ 2026-07-04 08:59:14

○A217.195.176.552015-09-04 → 2016-01-06 · 4 obs

● 2015-09-04 11:22:52
● 2016-01-06 22:50:32
○ 2016-09-29 02:39:28
○ 2026-07-04 08:59:14

●A2606:4700:3035::ac43:8c092026-06-11 → 2026-07-04 · 3 obs

○ 2017-04-13 04:07:36
● 2026-06-11 11:23:14
● 2026-07-04 08:59:14

●A2606:4700:3036::6815:4f112026-06-11 → 2026-07-04 · 3 obs

○ 2017-04-13 04:07:36
● 2026-06-11 11:23:14
● 2026-07-04 08:59:14

○PTRns1648.ztomy.com2016-11-16 → 2017-04-13 · 4 obs

● 2016-11-16 19:44:20
● 2017-04-13 04:07:36
○ 2026-06-11 11:23:14
○ 2026-07-04 08:59:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
tck.dk	ganz.ns.cloudflare.com, jill.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.40

NS records: ganz.ns.cloudflare.com, jill.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tck.dk (unsigned zone)

⏱️ Timing

Total: 703ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.140.9, 104.21.79.17`
AAAA	2	`2606:4700:3035::ac43:8c09, 2606:4700:3036::6815:4f11`
NS	2	`ganz.ns.cloudflare.com, jill.ns.cloudflare.com`
MX	1	`tck-dk.mail.protection.outlook.com (pri:`
TXT	4	`MS=ms37405933, apple-domain-verification=ilxLz6DLqbYzK4...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ganz.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

tck.dk directs to four IP numbers, which are 104.21.79.17, 172.67.140.9, 2606:4700:3035::ac43:8c09 and 2606:4700:3036::6815:4f11.

Among the host names that share IP numbers with tck.dk are 21analytics.ch, retail3.iesoffice.com, ahmadtarabein.com and two others.

Name Servers

DNS delegation for tck.dk points to two name servers: ganz.ns.cloudflare.com and jill.ns.cloudflare.com.

tck.dk has the same name server delegation as a number of other domains, such as psysession-app.com, qf52919.workers.dev, klc.dk and two more.

At least some of tck.dk's name servers are shared with other domains, for example lertpet.com, art-gallery.fr, abate17.com and two more.

These name servers tend to be deployed in combination with the name servers veda.ns.cloudflare.com and melany.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

ganz.ns.cloudflare.com has IP addresses 108.162.195.40, 162.159.44.40 and 172.64.35.40, plus 3 other.

jill.ns.cloudflare.com has IP addresses 108.162.192.122, 172.64.32.122 and 173.245.58.122, plus 3 other.

Mail Servers

tck.dk routes its mail through a single mail server, tck-dk.mail.protection.outlook.com.

tck-dk.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.27, 52.101.68.36 and 52.101.73.28, along with 5 other.

tck.dk - robtex.com

tck.dk

dk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`tck.dk`

`dk`