3core.dk
Last scanned: 2026-06-28 12:25:26  ·  3128ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   212ms
🌍 A Records3 records   197ms
📧 MX Records4 records   189ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   608ms
TXT Record
MS=ms95243053
v=spf1 include:_custspf.one.com ~all
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (3core.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all
-all (hard fail) v=spf1 include:spf.protection.outlook.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 / DANE4 records   1056ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com DANE-EE · SPKI · SHA-256 7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com DANE-EE · SPKI · SHA-256 7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com DANE-EE · SPKI · SHA-256 7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com DANE-EE · SPKI · SHA-256 7923F8E70F50B8C6DFFC5E73814B9D2D…
🔐 DNSSEC309ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA219ms
FieldValue
Serial2025101418
Primary NS (MNAME)ns10.wixdns.net
Responsible (RNAME)support@wix.com
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
212ms
A
197ms
MX
189ms
AAAA
193ms
TXT
608ms
CAA
218ms
HTTPS
204ms
TLSA
1056ms
SOA
219ms
MTA-STS
257ms
DNSSEC
309ms
SRV
289ms
Total
3128ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 12:25:26 3128ms 2 NS 3 A 4 MX 🔓 Insecure View
2026-06-16 12:48:17 1105ms 2 NS 3 A 4 MX 🔓 Insecure View
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