og-optik.dk
Last scanned: 2026-06-17 17:02:39  ·  2527ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   268ms
🌍 A Records
🌍
No A records found
📧 MX Records1 records   296ms
PriorityTTLMail ServerIP addressesPTRASN
10 mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io 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 Records1 records   512ms
TXT Record
v=spf1 +a +mx include:spf.securesmtp.dk include:spf.onlinemail.io -all
✉️ SPF
PolicyRecord (og-optik.dk)
-all (hard fail) v=spf1 +a +mx include:spf.securesmtp.dk include:spf.onlinemail.io -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)
🔐 DNSSEC452ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA314ms
FieldValue
Serial2023022002
Primary NS (MNAME)ns1.kortermann-hosting.dk
Responsible (RNAME)hostmaster@kortermann-hosting.dk
Refresh14400s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
268ms
A
310ms
MX
296ms
AAAA
275ms
TXT
512ms
CAA
305ms
HTTPS
283ms
TLSA
385ms
SOA
314ms
MTA-STS
318ms
DNSSEC
452ms
SRV
0ms
Total
2527ms
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