oselearn.dk
📜 Historical scan 2026-06-17 11:59:39  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
🌍 A Records1 records   103ms
📧 MX Records4 records   55ms
🔷 AAAA Records (IPv6)1 records   48ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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   78ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
🔐 DNSSEC81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA47ms
FieldValue
Serial2026061601
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
37ms
A
103ms
MX
55ms
AAAA
48ms
TXT
174ms
CAA
51ms
HTTPS
46ms
TLSA
78ms
SOA
47ms
MTA-STS
37ms
DNSSEC
81ms
SRV
0ms
Total
718ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 13:59:01 705ms 2 NS 1 A 4 MX 🔒 Secure View
2026-09-01 04:13:10 695ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-19 06:29:39 4871ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-03 17:47:11 882ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-28 14:44:29 1678ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 11:59:39 718ms 2 NS 1 A 4 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone