cppo.dk
Last scanned: 2026-08-04 03:02:24  ·  6525ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   27ms
🌍 A Records1 records   31ms
📧 MX Records1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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)
🔐 DNSSEC2049ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA24ms
FieldValue
Serial2026080201
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
27ms
A
31ms
MX
31ms
AAAA
36ms
TXT
178ms
CAA
37ms
HTTPS
33ms
TLSA
61ms
SOA
24ms
MTA-STS
49ms
DNSSEC
2049ms
SRV
40ms
Total
6525ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-04 03:02:24 6525ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-26 19:26:38 734ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 18:23:42 758ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-22 15:00:46 661ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-16 00:45:36 1623ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 20:32:17 377ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-21 18:44:40 464ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 22:45:33 539ms 2 NS 1 A 0 MX 🔒 Secure View
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