3k3.dk
📜 Historical scan 2026-06-16 12:43:30  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   100ms
NameserverIP addressesPTRASN / ISP
ns1.dns.services
ns2.dns.services
ns3.dns.services
🌍 A Records1 records   93ms
📧 MX Records3 records   83ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   241ms
TXT Record
v=spf1 include:_spf.e-studio.dk ~all
✉️ SPF
PolicyRecord (3k3.dk)
~all (soft fail) v=spf1 include:_spf.e-studio.dk ~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 / DANE3 records   134ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.spamfri.dk DANE-EE · SPKI · SHA-256 884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk DANE-EE · SPKI · SHA-256 BBFB0694919290E5BC9D6E2C6F47D846…
🔐 DNSSEC243ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA100ms
FieldValue
Serial2024022954
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)post@dns.services
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
100ms
A
93ms
MX
83ms
AAAA
70ms
TXT
241ms
CAA
77ms
HTTPS
103ms
TLSA
134ms
SOA
100ms
MTA-STS
62ms
DNSSEC
243ms
SRV
0ms
Total
910ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:50:28 4807ms 3 NS 1 A 3 MX 🔒 Secure View
2026-07-02 00:53:14 977ms 3 NS 1 A 3 MX 🔒 Secure View
2026-06-16 12:43:30 910ms 3 NS 1 A 3 MX 🔒 Secure View
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