klarkurs.dk

📜 Historical scan 2026-06-17 21:51:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klarkurs.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 15 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.47 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 81ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.158.47	—	linux27.dandomain.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	—	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 190ms

TXT Record
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

Policy	Record (klarkurs.dk)
?all (neutral)	v=spf1 include:spf.dandomain.dk ?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#

latest probe, not this scan · checked 2026-10-12 19:05:09

www	93.191.158.47 (AS48854) (address records, no CNAME)
www vs bare domain	Same network klarkurs.dk: 93.191.158.47 (AS48854) www.klarkurs.dk: 93.191.158.47 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

94ms

Field	Value
Serial	2022100301
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 19:56:14

Field	Value
Registrar	DANDOMAIN A/S
Registered	2005-03-15
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

48ms

40ms

AAAA

44ms

TXT

190ms

CAA

96ms

HTTPS

127ms

TLSA

58ms

SOA

94ms

MTA-STS

73ms

DNSSEC

60ms

SRV

154ms

Total

583ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:49:18	482ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-27 10:00:45	455ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-25 00:21:55	1784ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 21:51:09 shown	583ms	2 NS 1 A 2 MX	🔒 Secure