dureston.dk
Last scanned: 2026-08-18 21:55:34  ·  3787ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   180ms
🌍 A Records1 records   211ms
📧 MX Records2 records   149ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.99.157.24
🔷 AAAA Records (IPv6)1 records   180ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   568ms
TXT Record
v=spf1 a mx include:spf.protection.outlook.com include:_custspf.one.com ~all
✉️ SPF
PolicyRecord (dureston.dk)
~all (soft fail) v=spf1 a mx include:spf.protection.outlook.com include:_custspf.one.com ~all
📨 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)
🔐 DNSSEC256ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081705
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
180ms
A
211ms
MX
149ms
AAAA
180ms
TXT
568ms
CAA
184ms
HTTPS
145ms
TLSA
283ms
SOA
0ms
MTA-STS
179ms
DNSSEC
256ms
SRV
200ms
Total
3787ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 21:55:34 3787ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-11 13:07:00 1073ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 18:39:21 3052ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-28 23:00:55 691ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 11:37:20 3002ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-23 02:08:46 1104ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 23:30:11 1169ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 05:31:40 20354ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 05:10:22 674ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 05:08:55 2145ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 05:00:03 1075ms 2 NS 1 A 2 MX 🔒 Secure View
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