1bit.dk
📜 Historical scan 2026-06-27 05:05:31  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
🌍 A Records1 records   36ms
📧 MX Records1 records   56ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  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 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)
🔐 DNSSEC58ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA33ms
FieldValue
Serial2026061001
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
43ms
A
36ms
MX
56ms
AAAA
36ms
TXT
161ms
CAA
48ms
HTTPS
45ms
TLSA
72ms
SOA
33ms
MTA-STS
40ms
DNSSEC
58ms
SRV
54ms
Total
563ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 14:13:25 785ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 11:21:55 535ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 08:05:43 1398ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 04:58:21 9515ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 05:05:31 563ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 16:35:45 1516ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:46:27 542ms 2 NS 1 A 0 MX 🔒 Secure View
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