askaboutphysics.dk
Last scanned: 2026-09-09 00:58:40  ·  700ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   160ms
🌍 A Records1 records   124ms
📧 MX Records1 records   104ms
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)
🔐 DNSSEC178ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090801
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
160ms
A
124ms
MX
104ms
AAAA
117ms
TXT
275ms
CAA
119ms
HTTPS
96ms
TLSA
61ms
SOA
0ms
MTA-STS
120ms
DNSSEC
178ms
SRV
158ms
Total
700ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-09 00:58:40 700ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 23:29:18 4517ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 10:52:10 651ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 07:34:01 671ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 15:25:48 9422ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 13:59:43 617ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 13:44:28 390ms 2 NS 1 A 0 MX 🔒 Secure View
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