nextstepacademy.dk
Last scanned: 2026-08-27 16:08:11  ·  2694ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   60ms
🌍 A Records1 records   2041ms
📧 MX Records4 records   43ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover77.111.241.85
🔶 Autoconfig77.111.241.85
🔷 AAAA Records (IPv6)1 records   40ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   210ms
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 (nextstepacademy.dk)
-all (hard fail) v=spf1 -all
~all (soft fail) v=spf1 include:_custspf.one.com ~all
📨 DMARC
PolicyRecord (_dmarc.nextstepacademy.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 / DANE4 records   75ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026042902
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
60ms
A
2041ms
MX
43ms
AAAA
40ms
TXT
210ms
CAA
53ms
HTTPS
34ms
TLSA
75ms
SOA
0ms
MTA-STS
64ms
DNSSEC
84ms
SRV
75ms
Total
2694ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 16:08:11 2694ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-14 07:00:38 1278ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-31 14:04:27 5830ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 05:15:15 920ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-23 10:31:07 917ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 20:41:59 682ms 2 NS 1 A 4 MX 🔒 Secure View
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