lut.dk

📜 Historical scan 2026-06-17 13:07:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lut.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 19 September 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.206.6 is hosted by Sentia Denmark A/S (AS47292) 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 165ms

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 169ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.206.6	—	h1-web.hosting.catpipe.net	AS47292	Sentia Denmark A/S	91.221.206.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 150ms

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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 335ms

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

✉️ SPF#

Policy	Record (lut.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 2026-10-07 14:30:41

www CNAME	lut.dk (all on lut.dk) → 91.221.206.6 (AS47292)
www vs bare domain	Same network lut.dk: 91.221.206.6 (AS47292) www.lut.dk: 91.221.206.6 (AS47292)
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#

303ms

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

🏷️ SOA#

169ms

Field	Value
Serial	2023061501
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 2026-10-11 09:16:06

Field	Value
Registrar	DANDOMAIN A/S
Registered	2000-09-19
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

165ms

169ms

150ms

AAAA

210ms

TXT

335ms

CAA

162ms

HTTPS

150ms

TLSA

201ms

SOA

169ms

MTA-STS

200ms

DNSSEC

303ms

SRV

0ms

Total

2010ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:30:41	365ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 23:07:27	428ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 11:11:55	552ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 09:47:25	718ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 05:53:32	1108ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 05:56:46	608ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 13:07:07 shown	2010ms	2 NS 1 A 2 MX	🔒 Secure