s17.dk
Last scanned: 2026-08-26 15:14:13  ·  758ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   104ms
NameserverIP addressesPTRASN / ISP
dns-a.duelhost.dk 138.201.61.68 cde3.duelhost.dk AS24940 Hetzner Online GmbH
dns-b.duelhost.dk 195.201.247.10 dns-b.duelhost.dk AS24940 Hetzner Online GmbH
🌍 A Records1 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
138.201.61.68 3600s cde3.duelhost.dk AS24940 Hetzner Online GmbH 138.201.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.s17.dk 138.201.61.68 cde3.duelhost.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   335ms
TXT Record
v=spf1 a mx include:relay.mailchannels.net -all
✉️ SPF
PolicyRecord (s17.dk)
-all (hard fail) v=spf1 a mx include:relay.mailchannels.net -all
📨 DMARC
PolicyRecord (_dmarc.s17.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)
🔐 DNSSEC106ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026073133
Primary NS (MNAME)dns-a.duelhost.dk
Responsible (RNAME)hostmaster@s17.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
104ms
A
61ms
MX
72ms
AAAA
69ms
TXT
335ms
CAA
69ms
HTTPS
77ms
TLSA
98ms
SOA
0ms
MTA-STS
111ms
DNSSEC
106ms
SRV
105ms
Total
758ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 15:14:13 758ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-03 08:24:35 946ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-23 15:09:48 9413ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-16 05:45:10 9751ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-12 03:37:43 1425ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 20:37:30 4664ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-27 01:48:08 1954ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-25 04:55:29 857ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-20 11:56:08 620ms 5 NS 1 A 3 MX ⚠️ Bogus View
2026-06-17 15:23:57 820ms 5 NS 1 A 3 MX 🔓 Insecure View
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