helbredsundersoegelse.dk
Last scanned: 2026-08-12 18:56:54  ·  562ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24
📧 MX Records1 records   50ms
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)
🔐 DNSSEC80ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
41ms
A
51ms
MX
50ms
AAAA
42ms
TXT
162ms
CAA
44ms
HTTPS
47ms
TLSA
34ms
SOA
0ms
MTA-STS
46ms
DNSSEC
80ms
SRV
60ms
Total
562ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 18:56:54 562ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 02:17:02 705ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 18:36:15 816ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 22:03:04 1446ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-23 20:37:51 700ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 15:11:52 697ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 11:16:31 693ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 11:13:23 1069ms 2 NS 1 A 4 MX 🔒 Secure View
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