mortenhertzum.dk
Last scanned: 2026-08-31 15:09:12  ·  513ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
🌍 A Records1 records   49ms
📧 MX Records1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   44ms
🔐 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)
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
49ms
A
49ms
MX
45ms
AAAA
44ms
TXT
179ms
CAA
46ms
HTTPS
62ms
TLSA
60ms
SOA
0ms
MTA-STS
63ms
DNSSEC
84ms
SRV
60ms
Total
513ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 15:09:12 513ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-31 05:09:01 450ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 19:51:16 399ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 16:13:31 882ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-17 02:53:05 1164ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 06:09:02 987ms 2 NS 1 A 4 MX 🔒 Secure View
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