checking.dk
📜 Historical scan 2026-06-16 20:25:07  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
173.249.53.245 — vmi749527.contaboserver.net AS51167 Contabo GmbH 173.249.0.0/18 🇫🇷 France Lauterbourg
📧 MX Records4 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 — mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 — mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 — mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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   50ms
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…
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA32ms
FieldValue
Serial2026042802
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
35ms
A
35ms
MX
35ms
AAAA
34ms
TXT
200ms
CAA
31ms
HTTPS
34ms
TLSA
50ms
SOA
32ms
MTA-STS
79ms
DNSSEC
95ms
SRV
0ms
Total
724ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:04:25 581ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-05 08:17:13 8228ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-01 00:10:30 2290ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-27 06:32:37 823ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-20 02:07:07 759ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 20:25:07 724ms 2 NS 1 A 4 MX 🔒 Secure View
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