perdahl.dk
Last scanned: 2026-08-26 20:35:37  ·  815ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   89ms
🌍 A Records1 records   79ms
📧 MX Records1 records   98ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   73ms
🔐 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)
🔐 DNSSEC166ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
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
89ms
A
79ms
MX
98ms
AAAA
73ms
TXT
243ms
CAA
74ms
HTTPS
56ms
TLSA
64ms
SOA
0ms
MTA-STS
112ms
DNSSEC
166ms
SRV
98ms
Total
815ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 20:35:37 815ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 17:13:10 8636ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-02 23:45:23 605ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 20:42:47 785ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 20:57:40 502ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 17:26:37 943ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 18:18:09 694ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 21:07:08 497ms 2 NS 1 A 0 MX 🔒 Secure View
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