ck-teknik.dk

Records from scan: 2026-10-13 08:07:22 · 843ms total · last checked 2026-10-24 06:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ck-teknik.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 14 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.83 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ckteknik-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.83	3600s	linux33.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ckteknik-dk0e.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::26 2a01:111:f403:ca38::8 2a01:111:f403:ca48::e 52.101.103.137 52.101.181.153 52.101.68.15 52.101.68.29	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 119ms

TXT Record
MS=ms83476899
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (ck-teknik.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-13 08:07:22

www	185.21.41.83 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ck-teknik.dk: 185.21.41.83 (AS48854) www.ck-teknik.dk: 185.21.41.83 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

49ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

22ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-24 01:50:42

Field	Value
Registrar	Simply.com A/S
Registered	1998-09-14
Expires	2027-09-30 (340d)

🔗 Same registrant#

10 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
bila.dk	Simply.com A/S
cf-matic.dk	Simply.com A/S
cfmatic.dk	Simply.com A/S
dan-palletiser.dk	Simply.com A/S
danpalletiser.dk	Simply.com A/S
global-agv.dk	Simply.com A/S
kawasakirobot.dk	Simply.com A/S
paletomat.dk	Simply.com A/S
pjm.dk	Simply.com A/S
proinvent.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

25ms

28ms

26ms

AAAA

29ms

TXT

119ms

CAA

32ms

HTTPS

24ms

TLSA

511ms

SOA

22ms

MTA-STS

33ms

DNSSEC

49ms

SRV

47ms

Total

843ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 08:07:22 shown	843ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 19:49:35	2720ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-28 05:41:48	1104ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 23:35:30	508ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-24 03:41:46	1139ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 19:46:47	918ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 16:16:08	970ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 21:38:50	65535ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:21:46	1803ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:08:26	592ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:01:33	643ms	3 NS 1 A 1 MX	🔓 Insecure