blackblue.dk
Last scanned: 2026-08-27 17:26:26  ·  493ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   36ms
🌍 A Records1 records   52ms
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)1 records   36ms
🔐 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)
🔐 DNSSEC70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2022092920
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)post@dns.services
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
36ms
A
52ms
MX
46ms
AAAA
36ms
TXT
142ms
CAA
50ms
HTTPS
44ms
TLSA
88ms
SOA
0ms
MTA-STS
62ms
DNSSEC
70ms
SRV
63ms
Total
493ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 17:26:26 493ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-27 02:55:40 673ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-26 13:14:34 617ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-20 19:06:27 581ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-16 14:45:44 4304ms 3 NS 1 A 0 MX 🔒 Secure View
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