240.dk
Last scanned: 2026-08-27 21:07:19  ·  397ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records1 records   26ms
📧 MX Records1 records   26ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   32ms
🔐 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)
🔐 DNSSEC92ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082701
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
31ms
A
26ms
MX
26ms
AAAA
32ms
TXT
114ms
CAA
26ms
HTTPS
25ms
TLSA
48ms
SOA
0ms
MTA-STS
31ms
DNSSEC
92ms
SRV
33ms
Total
397ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 21:07:19 397ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-17 08:05:58 2051ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-28 06:08:02 586ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 18:00:13 6513ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 06:41:38 578ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 04:29:31 1143ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-24 03:20:27 937ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 20:39:27 438ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 09:46:26 1461ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:53:11 953ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone