fdo-dev.dk
📜 Historical scan 2026-06-21 20:22:57  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   36ms
🌍 A Records1 records   54ms
📧 MX Records1 records   79ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s .  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 Records1 records   242ms
TXT Record
fah-claim=016-02-6c35bc9c-64f4-405c-a545-e60857731ccd
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.fdo-dev.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC65ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA69ms
FieldValue
Serial2026052601
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
36ms
A
54ms
MX
79ms
AAAA
42ms
TXT
242ms
CAA
76ms
HTTPS
33ms
TLSA
56ms
SOA
69ms
MTA-STS
96ms
DNSSEC
65ms
SRV
155ms
Total
467ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 07:28:52 1219ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 22:47:27 489ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 22:05:17 592ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 23:30:04 8529ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 03:37:03 681ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 04:43:40 811ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 20:22:57 467ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 05:12:17 590ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 20:55:30 515ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:20:06 1850ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:11:43 476ms 2 NS 1 A 0 MX 🔒 Secure View
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