johntf.dk
Last scanned: 2026-06-17 12:07:38  ·  758ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
🌍 A Records1 records   34ms
📧 MX Records3 records   34ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   93ms
TXT Record
v=spf1 include:_spf.resennet.dk include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (johntf.dk)
-all (hard fail) v=spf1 include:_spf.resennet.dk 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)
🔐 DNSSEC114ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA31ms
FieldValue
Serial2025090801
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
32ms
A
34ms
MX
34ms
AAAA
31ms
TXT
93ms
CAA
32ms
HTTPS
32ms
TLSA
102ms
SOA
31ms
MTA-STS
94ms
DNSSEC
114ms
SRV
0ms
Total
758ms
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