duhund.dk
Last scanned: 2026-08-27 09:59:48  ·  1312ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
NameserverIP addressesPTRASN / ISP
ns51.gullestrupnet.dk 82.165.189.144 gn51.gullestrupnet.dk AS8560 IONOS SE
ns52.gullestrupnet.dk 82.165.203.134 mail51.gullestrupnet.dk AS8560 IONOS SE
🌍 A Records1 records   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
82.165.189.144 86400s gn51.gullestrupnet.dk AS8560 IONOS SE 82.165.0.0/16 🇩🇪 Germany —
📧 MX Records2 records   73ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.duhund.dk 82.165.203.134 mail51.gullestrupnet.dk AS8560 IONOS SE
30 86400s backupmail.gullestrupnet.dk 82.165.203.134 mail51.gullestrupnet.dk AS8560 IONOS SE
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover82.165.189.144
🔶 Autoconfig82.165.189.144
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   716ms
TXT Record
v=spf1 ip4:82.165.203.134 ip4=82.165.189.144 +a +mx -all
✉️ SPF
PolicyRecord (duhund.dk)
-all (hard fail) v=spf1 ip4:82.165.203.134 ip4=82.165.189.144 +a +mx -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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.duhund.dk KjV-V8KerrVB5zq_oehEosTOVQmwhCUkzz3iOLg34pc
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC144ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2022063001
Primary NS (MNAME)ns51.gullestrupnet.dk
Responsible (RNAME)speedpeter@gmail.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
76ms
MX
73ms
AAAA
68ms
TXT
716ms
CAA
75ms
HTTPS
86ms
TLSA
231ms
SOA
0ms
MTA-STS
95ms
DNSSEC
144ms
SRV
581ms
Total
1312ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 09:59:48 1312ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-26 01:42:35 1671ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-24 07:24:49 964ms 2 NS 1 A 2 MX ❓ Unknown View
2026-06-17 05:07:28 535ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 05:02:43 18525ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 05:01:29 1743ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 05:00:43 705ms 2 NS 1 A 2 MX 🔓 Insecure View
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