dotducom.dk
📜 Historical scan 2026-06-20 08:38:51  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
🌍 A Records1 records   38ms
📧 MX Records1 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   39ms
🔐 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)
🔐 DNSSEC67ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA34ms
FieldValue
Serial2026061805
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
54ms
A
38ms
MX
47ms
AAAA
39ms
TXT
162ms
CAA
42ms
HTTPS
40ms
TLSA
39ms
SOA
34ms
MTA-STS
36ms
DNSSEC
67ms
SRV
144ms
Total
376ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 13:31:41 566ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-23 02:17:21 4120ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-17 15:14:02 807ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 11:57:16 2498ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 02:50:23 4699ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 00:29:36 661ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 08:38:51 376ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:26:40 273ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 04:20:22 4544ms 2 NS 1 A 0 MX 🔒 Secure View
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