kursusforledige.dk
Last scanned: 2026-08-21 00:22:37  ·  7836ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   290ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   282ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.252.196.21 15000s 21.196.252.46.host.secureserver.net AS21499 Host Europe GmbH 46.252.192.0/20 🇳🇱 The Netherlands Amsterdam
📧 MX Records4 records   264ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)1 records   293ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:1169:110:4b50:: 15000s — AS21499 Host Europe GmbH 2a00:1169:0:0:0:0:0:0/39 🇫🇷 France Strasbourg
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   1044ms
TXT Record
v=spf1 a mx include:secureserver.net ~all
✉️ SPF
PolicyRecord (kursusforledige.dk)
~all (soft fail) v=spf1 a mx include:secureserver.net ~all
📨 DMARC
PolicyRecord (_dmarc.kursusforledige.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   678ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
🔐 DNSSEC685ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082005
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
290ms
A
282ms
MX
264ms
AAAA
293ms
TXT
1044ms
CAA
283ms
HTTPS
308ms
TLSA
678ms
SOA
0ms
MTA-STS
427ms
DNSSEC
685ms
SRV
370ms
Total
7836ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-21 00:22:37 7836ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-21 23:21:14 1403ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 23:15:51 1205ms 2 NS 1 A 4 MX 🔒 Secure View
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