dtc.dk
Last scanned: 2026-08-26 12:49:01  ·  751ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   84ms
🌍 A Records1 records   60ms
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
0 900s .  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   176ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (dtc.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.dtc.dk)
p=reject v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:forenede-danske-motorejere-fdm@rua.dmp.cisco.com; ruf=mailto:forenede-danske-motorejere-fdm@ruf.dmp.cisco.com
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records3 records   75ms
FlagsTagValue
0 iodef mailto:servicedesk@fdm.dk
0 issue letsencrypt.org
0 issuewild ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns1-07.azure-dns.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
84ms
A
60ms
MX
48ms
AAAA
60ms
TXT
176ms
CAA
75ms
HTTPS
53ms
TLSA
40ms
SOA
0ms
MTA-STS
79ms
DNSSEC
117ms
SRV
82ms
Total
751ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:49:01 751ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 22:04:07 825ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 00:20:05 1169ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 05:38:56 464ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 04:50:58 525ms 4 NS 1 A 0 MX 🔓 Insecure View
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