prepster.dk
📜 Historical scan 2026-06-18 02:54:09  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   75ms
🌍 A Records1 records   77ms
📧 MX Records1 records   71ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.101.112.129
🔶 Autoconfig212.237.249.17
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   240ms
TXT Record
google-site-verification=7Cyv2CYJ_63lKElAI0Tkdi7G5u5kw1fhmOAJBabKF0k
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (prepster.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC198ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA62ms
FieldValue
Serial2025100604
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
75ms
A
77ms
MX
71ms
AAAA
74ms
TXT
240ms
CAA
77ms
HTTPS
65ms
TLSA
638ms
SOA
62ms
MTA-STS
2094ms
DNSSEC
198ms
SRV
326ms
Total
3245ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 04:15:28 1804ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 21:32:11 2606ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:13:39 2258ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 02:54:09 3245ms 2 NS 1 A 1 MX 🔒 Secure View
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