sejlerkurser.dk
Last scanned: 2026-08-28 01:00:38  ·  9742ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   100ms
🌍 A Records1 records   82ms
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9090ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns-cloud-d1.googledomains.com
Responsible (RNAME)cloud-dns-hostmaster@google.com
Refresh21600s
Retry3600s
Expire259200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
100ms
A
82ms
MX
67ms
AAAA
93ms
TXT
237ms
CAA
78ms
HTTPS
77ms
TLSA
275ms
SOA
0ms
MTA-STS
75ms
DNSSEC
9090ms
SRV
84ms
Total
9742ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:00:38 9742ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-24 14:37:16 1212ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-18 06:23:08 784ms 4 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone