csdk.dk - dns.ninja

`csdk.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:420^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:520^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4680^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.4.32^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.5.32^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.70.128^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`logan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`logan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`logan.ns.cloudflare.com`
		A	108.162.193.198^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	172.64.33.198^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	173.245.59.198^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
MX	`mx1-dk.centerasecurity.dk` ⭐
		A	89.233.19.127^{🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB}
		A	89.233.19.188^{🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB}
		A	128.76.60.167^{🇩🇰 TDC128.76.0.0/18}
			PTR	`mx6.centerasecurity.dk`
		A	128.76.60.187^{🇩🇰 TDC128.76.0.0/18}
			PTR	`mx6.centerasecurity.dk`
MX	`mx2-dk.centerasecurity.dk` ⭐
		A	89.233.19.128^{🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB}
		A	89.233.19.129^{🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB}
		A	128.76.60.168^{🇩🇰 TDC128.76.0.0/18}
			PTR	`mx6.centerasecurity.dk`
		A	128.76.60.169^{🇩🇰 TDC128.76.0.0/18}
			PTR	`mx6.centerasecurity.dk`
MX	`mx3-dk.centerasecurity.dk`⁽²⁰⁾
		A	89.233.19.129^{🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB}
		A	128.76.60.187^{🇩🇰 TDC128.76.0.0/18}
			PTR	`mx6.centerasecurity.dk`
TXT	`v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.4.32, 104.26.5.32, 172.67.70.128
		IPv6 hints	2606:4700:20::681a:420, 2606:4700:20::681a:520, 2606:4700:20::ac43:4680
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=149, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2407397510

`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 1786248720localtime Sun Aug 9 06:12:00 2026gmtime Sun Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786248720

Subdomains

mail.csdk.dk

Same first word

csdk.nl

csdk.de

csdk.co.uk

csdk.ru

csdk.eu

csdk.org

csdk.ch

csdk.dk

csdk.net

csdk.com

Similar names

kcds.biz

scdk.com

cdks.cn

kdcs.org

kdsc.co

cdsk.eu

scdk.ru

dcks.ru

cksd.k12.pa.us

kcds.com

cdks.de

dskc.com

ckds.nl

sdkc.net

ksdc.or.kr

cdks.com

skdc.org

dcsk.de

dkcs.net

sdkc.ca

kcsd.k12.or.us

cdks.co.jp

cdks.xyz

dksc.co.nz

cskd.de

kcsd.net

sdck.de

sdkc.co.uk

dcsk.eu

cskd.sk

kdsc.co.kr

dksc.net

kdsc.net

ksdc.ca

kscd.jp

cdsk.org

skcd.net

kcsd.k12.sc.us

ksdc.ws

ksdc.re.kr

kcsd.k12.pa.us

dcks.cn

kcsd.cn

dksc.com

dcks.site

kdcs.cn

cdks.top

kdcs.us

kcsd.info

dcsk.sk

kcsd.us

ckds.vn

ksdc.be

skdc.com.cn

cdsk.com

dsck.com

cskd.com

sdkc.com

ksdc.in

sdck.cn

dkcs.cn

cdsk.ru

dksc.de

kcsd.co

ksdc.net

dksc.org

ksdc.eu

dcsk.net

skdc.de

dkcs.nl

kdcs.kr

cksd.com

kdcs.de

kcsd.com

ckds.eu

kcds.de

kdsc.de

ckds.fr

sdck.life

skcd.de

skdc.ru

kcds.co.uk

cskd.cz

cksd.com.tw

sdck.in

dcks.org.cn

kdsc.us

kcds.edu.pl

kcds.ca

cdsk.net

cdks.net

dskc.org

DNS History

24 records (11 active, 13 former)

●NSamanda.ns.cloudflare.com2017-07-21 → 2026-08-09 · 3 obs

○ 2017-06-17 21:19:28
● 2017-07-21 23:50:16
● 2026-08-09 04:43:16

●NSlogan.ns.cloudflare.com2017-07-21 → 2026-08-09 · 3 obs

○ 2017-06-17 21:19:28
● 2017-07-21 23:50:16
● 2026-08-09 04:43:16

○NSns.dandomain.dk2017-06-17 → 2017-06-17 · 3 obs

● 2017-06-17 21:19:28
○ 2017-07-21 23:50:16
○ 2026-08-09 04:43:16

○NSns2.dandomain.dk2017-06-17 → 2017-06-17 · 3 obs

● 2017-06-17 21:19:28
○ 2017-07-21 23:50:16
○ 2026-08-09 04:43:16

○NSns3.dandomain.dk2017-06-17 → 2017-06-17 · 3 obs

● 2017-06-17 21:19:28
○ 2017-07-21 23:50:16
○ 2026-08-09 04:43:16

○MXmx01.dandomain.dk2017-06-17 → 2017-08-28 · 4 obs

● 2017-06-17 21:19:28
● 2017-08-28 18:53:50
○ 2026-02-20 17:04:32
○ 2026-08-09 04:43:16

●MXmx1-dk.centerasecurity.dk2026-02-20 → 2026-08-09 · 3 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
● 2026-08-09 04:43:16

●MXmx2-dk.centerasecurity.dk2026-02-20 → 2026-08-09 · 3 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
● 2026-08-09 04:43:16

●MXmx3-dk.centerasecurity.dk2026-02-20 → 2026-08-09 · 3 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
● 2026-08-09 04:43:16

○A104.24.29.1132017-07-21 → 2017-08-28 · 5 obs

○ 2017-06-17 21:19:28
● 2017-07-21 23:50:16
● 2017-08-28 18:53:50
○ 2026-02-20 17:04:32
○ 2026-08-09 04:43:16

○A104.24.30.1132017-07-21 → 2017-08-28 · 5 obs

○ 2017-06-17 21:19:28
● 2017-07-21 23:50:16
● 2017-08-28 18:53:50
○ 2026-02-20 17:04:32
○ 2026-08-09 04:43:16

●A104.26.4.322026-02-20 → 2026-08-09 · 7 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
○ 2026-03-04 17:18:26
● 2026-04-06 01:05:56
○ 2026-06-30 01:29:38
● 2026-08-03 02:18:12
● 2026-08-09 04:43:16

●A104.26.5.322026-02-20 → 2026-08-09 · 7 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
○ 2026-03-04 17:18:26
● 2026-04-06 01:05:56
○ 2026-06-30 01:29:38
● 2026-08-03 02:18:12
● 2026-08-09 04:43:16

●A172.67.70.1282026-02-20 → 2026-08-09 · 7 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
○ 2026-03-04 17:18:26
● 2026-04-06 01:05:56
○ 2026-06-30 01:29:38
● 2026-08-03 02:18:12
● 2026-08-09 04:43:16

○A188.114.96.02026-03-04 → 2026-06-30 · 6 obs

○ 2026-02-20 17:04:32
● 2026-03-04 17:18:26
○ 2026-04-06 01:05:56
● 2026-06-30 01:29:38
○ 2026-08-03 02:18:12
○ 2026-08-09 04:43:16

○A188.114.97.02026-03-04 → 2026-06-30 · 6 obs

○ 2026-02-20 17:04:32
● 2026-03-04 17:18:26
○ 2026-04-06 01:05:56
● 2026-06-30 01:29:38
○ 2026-08-03 02:18:12
○ 2026-08-09 04:43:16

○A2400:cb00:2048:1::6818:1d712017-07-21 → 2017-08-28 · 5 obs

○ 2017-06-17 21:19:28
● 2017-07-21 23:50:16
● 2017-08-28 18:53:50
○ 2026-02-20 17:04:32
○ 2026-08-09 04:43:16

○A2400:cb00:2048:1::6818:1e712017-07-21 → 2017-08-28 · 5 obs

○ 2017-06-17 21:19:28
● 2017-07-21 23:50:16
● 2017-08-28 18:53:50
○ 2026-02-20 17:04:32
○ 2026-08-09 04:43:16

●A2606:4700:20::681a:4202026-02-20 → 2026-08-09 · 7 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
○ 2026-03-04 17:18:26
● 2026-04-06 01:05:56
○ 2026-06-30 01:29:38
● 2026-08-03 02:18:12
● 2026-08-09 04:43:16

●A2606:4700:20::681a:5202026-02-20 → 2026-08-09 · 7 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
○ 2026-03-04 17:18:26
● 2026-04-06 01:05:56
○ 2026-06-30 01:29:38
● 2026-08-03 02:18:12
● 2026-08-09 04:43:16

●A2606:4700:20::ac43:46802026-02-20 → 2026-08-09 · 7 obs

○ 2017-08-28 18:53:50
● 2026-02-20 17:04:32
○ 2026-03-04 17:18:26
● 2026-04-06 01:05:56
○ 2026-06-30 01:29:38
● 2026-08-03 02:18:12
● 2026-08-09 04:43:16

○A2a06:98c1:3120::2026-03-04 → 2026-06-30 · 6 obs

○ 2026-02-20 17:04:32
● 2026-03-04 17:18:26
○ 2026-04-06 01:05:56
● 2026-06-30 01:29:38
○ 2026-08-03 02:18:12
○ 2026-08-09 04:43:16

○A2a06:98c1:3121::2026-03-04 → 2026-06-30 · 6 obs

○ 2026-02-20 17:04:32
● 2026-03-04 17:18:26
○ 2026-04-06 01:05:56
● 2026-06-30 01:29:38
○ 2026-08-03 02:18:12
○ 2026-08-09 04:43:16

○A78.111.167.1862017-06-17 → 2017-06-17 · 3 obs

● 2017-06-17 21:19:28
○ 2017-07-21 23:50:16
○ 2026-08-09 04:43:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
csdk.dk	logan.ns.cloudflare.com, amanda.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.63

NS records: logan.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csdk.dk (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.5.32, 104.26.4.32...`
AAAA	3	`2606:4700:20::681a:520, 2606:4700:20::681a:420...`
NS	2	`amanda.ns.cloudflare.com, logan.ns.cloudflare.com`
MX	3	`mx1-dk.centerasecurity.dk (pri: 10), mx2-dk.centerasecurity.dk (pri: 10)...`
TXT	1	`v=spf1 include:_spf.centerasecurity.dk i`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

The domain mail.csdk.dk falls under the parent csdk.dk.

IP Addresses

With 6 IP addresses in total, csdk.dk resolves to 104.26.4.32, 104.26.5.32, 172.67.70.128 and 3 other.

Among the host names that share IP numbers with csdk.dk are propertymap.mu, www.ncj.org.jm, www.trustifyreview.app and two others.

Name Servers

DNS delegation for csdk.dk points to two name servers: amanda.ns.cloudflare.com and logan.ns.cloudflare.com.

csdk.dk has the same name server delegation as a number of other domains, such as csdam.net, qualdirect.com, furnware.co.nz and two more.

At least some of csdk.dk's name servers are shared with other domains, for example asterixuk.com, xlszt.cn, sealsubscriptions.com and two more.

These name servers are routinely co-deployed with the name servers cheryl.ns.cloudflare.com, colin.ns.cloudflare.com, adaline.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

amanda.ns.cloudflare.com has IP addresses 108.162.192.63, 172.64.32.63 and 173.245.58.63, plus 3 other.

logan.ns.cloudflare.com has IP addresses 108.162.193.198, 172.64.33.198 and 173.245.59.198, plus 3 other.

Mail Servers

The MX records for csdk.dk list three mail servers: mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk.

csdk.dk shares at least some of its mail servers with other domains — for example pola.dk, gabolig.dk, wvh.dk and two more.

Hosts pointing to four IP addresses:

mx1-dk.centerasecurity.dk directs to 89.233.19.127, 89.233.19.188, 128.76.60.167 and 128.76.60.187.

mx2-dk.centerasecurity.dk directs to 89.233.19.128, 89.233.19.129, 128.76.60.168 and 128.76.60.169.

Hosts with two IP numbers each:

mx3-dk.centerasecurity.dk has two IP addresses: 89.233.19.129 and 128.76.60.187.

Host names pointing to 128.76.60.187 IP addresses: mx1-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk.

Host names pointing to 89.233.19.129 IP addresses: mx2-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk.