labdual.dk
Last scanned: 2026-06-25 12:03:02  ·  1967ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   364ms
🌍 A Records1 records   359ms
📧 MX Records3 records   264ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.215.86
🔶 Autoconfig46.30.215.86
🔷 AAAA Records (IPv6)1 records   249ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   803ms
TXT Record
v=spf1 -all
v=spf1 include:_custspf.one.com ~all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (labdual.dk)
-all (hard fail) v=spf1 -all
~all (soft fail) v=spf1 include:_custspf.one.com ~all
📨 DMARC
PolicyRecord (_dmarc.labdual.dk)
p=reject v=DMARC1; p=reject
📬 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   273ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 026A3DCAF3804B72DA8C105B5ADC0C7D…
SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 026A3DCAF3804B72DA8C105B5ADC0C7D…
SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 026A3DCAF3804B72DA8C105B5ADC0C7D…
🔐 DNSSEC559ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA384ms
FieldValue
Serial2026062005
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
364ms
A
359ms
MX
264ms
AAAA
249ms
TXT
803ms
CAA
335ms
HTTPS
400ms
TLSA
273ms
SOA
384ms
MTA-STS
412ms
DNSSEC
559ms
SRV
409ms
Total
1967ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 12:03:02 1967ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-21 06:19:40 986ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 13:46:27 1584ms 2 NS 1 A 3 MX 🔒 Secure View
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