ftstudiet.dk
📜 Historical scan 2026-06-21 00:16:32  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   147ms
🌍 A Records1 records   125ms
📧 MX Records4 records   100ms
🔷 AAAA Records (IPv6)1 records   122ms
🔐 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)
🔐 DNSSEC188ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026061901
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
147ms
A
125ms
MX
100ms
AAAA
122ms
TXT
148ms
CAA
132ms
HTTPS
161ms
TLSA
246ms
SOA
0ms
MTA-STS
144ms
DNSSEC
188ms
SRV
150ms
Total
979ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-21 10:39:01 7058ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-20 21:20:16 2019ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-04 19:05:02 5492ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 20:30:14 823ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-21 00:16:32 979ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 10:01:00 1117ms 2 NS 1 A 4 MX 🔒 Secure View
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