bfour.dk
📜 Historical scan 2026-06-21 15:36:29  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers
🖥️
No NS records found
🌍 A Records
🌍
No A records found
📧 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)
🔐 DNSSEC301ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure
🏷️ SOA
✗ No SOA record found
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
180ms
A
182ms
MX
191ms
AAAA
163ms
TXT
285ms
CAA
198ms
HTTPS
198ms
TLSA
16ms
SOA
156ms
MTA-STS
220ms
DNSSEC
301ms
SRV
215ms
Total
994ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 00:26:22 533ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 00:47:15 2105ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 15:36:29 994ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 23:59:58 362ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 14:27:26 437ms 2 NS 1 A 1 MX 🔒 Secure View
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