lut.dk

📜 Historical scan 2026-06-21 09:47:25  ·  ← 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   99ms
NameserverIP addressesPTRASN / 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   91ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.221.206.6 3600s h1-web.hosting.catpipe.net AS47292 Sentia Denmark A/S 91.221.206.0/23 🇩🇰 Denmark —

📧 MX Records#

2 records   80ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.dandomain.dk 212.237.249.50 mx1.dandomain.dk AS48854 team.blue Denmark A/S
20 3600s mx2.dandomain.dk 46.36.209.11 mx2.dandomain.dk AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfigautoconfig-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   312ms
TXT Record
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

PolicyRecord (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 CNAMElut.dk (all on lut.dk)
www vs bare domainSame network
lut.dk: 91.221.206.6 (AS47292)
www.lut.dk: 91.221.206.6 (AS47292)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 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#

203ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

87ms
FieldValue
Serial2023061501
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-11 09:16:06
FieldValue
RegistrarDANDOMAIN A/S
Registered2000-09-19
Expires2027-09-30 (345d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
99ms
A
91ms
MX
80ms
AAAA
86ms
TXT
312ms
CAA
92ms
HTTPS
77ms
TLSA
218ms
SOA
87ms
MTA-STS
47ms
DNSSEC
203ms
SRV
258ms
Total
718ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 2010ms 2 NS 1 A 2 MX 🔒 Secure
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