blackoffice.dk
Last scanned: 2026-08-27 05:54:18  ·  383ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   29ms
🌍 A Records1 records   33ms
📧 MX Records1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   91ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (blackoffice.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.blackoffice.dk)
p=reject v=DMARC1; p=reject
📬 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)
🔐 DNSSEC100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082701
Primary NS (MNAME)ns1.netsite.dk
Responsible (RNAME)hostmaster@netsite.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
33ms
MX
38ms
AAAA
31ms
TXT
91ms
CAA
25ms
HTTPS
24ms
TLSA
29ms
SOA
0ms
MTA-STS
41ms
DNSSEC
100ms
SRV
35ms
Total
383ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:54:18 383ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-20 18:49:53 3218ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-13 18:51:51 759ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-09 14:44:34 901ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-01 15:52:10 683ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-23 16:32:43 623ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-16 16:20:31 8612ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-09 20:27:39 1008ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-03 11:11:08 643ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-28 23:19:06 642ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-21 03:32:13 1052ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 14:46:01 462ms 3 NS 1 A 0 MX 🔒 Secure View
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