ck-teknik.dk

Records from scan: 2026-10-13 08:07:22 · 843ms total · last checked 2026-10-16 11:16 (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 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#

✗ No registration data yet — queued for a WHOIS lookup

📋 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