kth.dk
Last scanned: 2026-06-18 04:54:57  ·  1176ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   92ms
🌍 A Records2 records   205ms
📧 MX Records1 records   83ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   752ms
TXT Record
v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all
✉️ SPF
PolicyRecord (kth.dk)
-all (hard fail) v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all
📨 DMARC
PolicyRecord (_dmarc.kth.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)
🔐 DNSSEC291ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA102ms
FieldValue
Serial2024121300
Primary NS (MNAME)ns1.seo-linuxpl.com
Responsible (RNAME)hostmaster@websol.seo-linuxpl.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
92ms
A
205ms
MX
83ms
AAAA
108ms
TXT
752ms
CAA
289ms
HTTPS
485ms
TLSA
88ms
SOA
102ms
MTA-STS
109ms
DNSSEC
291ms
SRV
400ms
Total
1176ms
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