duckmann.dk
📜 Historical scan 2026-06-17 04:55:47  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
NameserverIP addressesPTRASN / ISP
ns01.one.com
ns02.one.com
🌍 A Records1 records   39ms
📧 MX Records4 records   39ms
🔷 AAAA Records (IPv6)1 records   37ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:12:476a:1a33:ee1 AS51468 One.com A/S 2a02:2350::/32 🇩🇰 Denmark Copenhagen
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   167ms
TXT Record
v=spf1 include:_custspf.one.com -all
✉️ SPF
PolicyRecord (duckmann.dk)
-all (hard fail) v=spf1 include:_custspf.one.com -all
📨 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   75ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…
🔐 DNSSEC139ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA43ms
FieldValue
Serial2026061301
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
39ms
A
39ms
MX
39ms
AAAA
37ms
TXT
167ms
CAA
39ms
HTTPS
38ms
TLSA
75ms
SOA
43ms
MTA-STS
39ms
DNSSEC
139ms
SRV
0ms
Total
687ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 22:58:50 5570ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-10 15:08:34 2884ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-09 00:53:11 4938ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-06 02:26:10 1084ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-29 22:24:22 4890ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-30 12:02:36 817ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 11:19:01 750ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 04:55:47 687ms 2 NS 1 A 4 MX 🔒 Secure View
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