jackslab.dk
Last scanned: 2026-06-18 04:40:11  ·  2678ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   2043ms
🌍 A Records2 records   2032ms
📧 MX Records1 records   2043ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   2220ms
TXT Record
v=spf1 a mx include:spfuser.webnode.com -all
✉️ SPF
PolicyRecord (jackslab.dk)
-all (hard fail) v=spf1 a mx include:spfuser.webnode.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)
🔐 DNSSEC2056ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA2044ms
FieldValue
Serial2025112113
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
2043ms
A
2032ms
MX
2043ms
AAAA
2045ms
TXT
2220ms
CAA
2042ms
HTTPS
2043ms
TLSA
69ms
SOA
2044ms
MTA-STS
61ms
DNSSEC
2056ms
SRV
2083ms
Total
2678ms
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