gdc.dk
Last scanned: 2026-08-27 10:44:05  ·  1109ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   77ms
🌍 A Records1 records   76ms
📧 MX Records1 records   75ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.gdc.dk 195.78.67.51 s173.cyber-folks.pl AS41079 Cyber_Folks S.A.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   499ms
TXT Record
v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all
✉️ SPF
PolicyRecord (gdc.dk)
-all (hard fail) v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all
📨 DMARC
PolicyRecord (_dmarc.gdc.dk)
p=none (monitor only) v=DMARC1; p=none; sp=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)
🔐 DNSSEC128ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024120500
Primary NS (MNAME)ns1.seo-linuxpl.com
Responsible (RNAME)hostmaster@gdc.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
77ms
A
76ms
MX
75ms
AAAA
66ms
TXT
499ms
CAA
81ms
HTTPS
75ms
TLSA
172ms
SOA
0ms
MTA-STS
153ms
DNSSEC
128ms
SRV
142ms
Total
1109ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 10:44:05 1109ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-27 14:34:20 20539ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-23 09:29:19 10558ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 22:07:27 5148ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 15:48:39 913ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:19:58 3111ms 2 NS 1 A 1 MX 🔓 Insecure View
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