cyberdemon.dk
Last scanned: 2026-06-24 21:28:40  ·  1841ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   233ms
🌍 A Records1 records   230ms
📧 MX Records1 records   257ms
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   546ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (cyberdemon.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.cyberdemon.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)
🔐 DNSSEC488ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA250ms
FieldValue
Serial2022092201
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
233ms
A
230ms
MX
257ms
AAAA
264ms
TXT
546ms
CAA
253ms
HTTPS
229ms
TLSA
269ms
SOA
250ms
MTA-STS
268ms
DNSSEC
488ms
SRV
469ms
Total
1841ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 21:28:40 1841ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-19 19:12:57 650ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 23:30:05 539ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-16 23:20:39 420ms 4 NS 1 A 0 MX 🔒 Secure View
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