c25.dk
Last scanned: 2026-07-22 22:54:46  ·  908ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   86ms
NameserverIP addressesPTRASN / ISP
dns-a.duelhost.dk 138.201.61.68 cde3.duelhost.dk AS24940 Hetzner Online GmbH
dns-b.duelhost.dk 195.201.247.10 dns-b.duelhost.dk AS24940 Hetzner Online GmbH
🌍 A Records1 records   97ms
IPTTLPTRASNISP / OrgCIDRCountryCity
138.201.61.68 3600s cde3.duelhost.dk AS24940 Hetzner Online GmbH 138.201.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   110ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.c25.dk 138.201.61.68 cde3.duelhost.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   394ms
TXT Record
v=spf1 a mx include:relay.mailchannels.net -all
✉️ SPF
PolicyRecord (c25.dk)
-all (hard fail) v=spf1 a mx include:relay.mailchannels.net -all
📨 DMARC
PolicyRecord (_dmarc.c25.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC161ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026072203
Primary NS (MNAME)dns-a.duelhost.dk
Responsible (RNAME)hostmaster@c25.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
86ms
A
97ms
MX
110ms
AAAA
82ms
TXT
394ms
CAA
97ms
HTTPS
97ms
TLSA
125ms
SOA
0ms
MTA-STS
103ms
DNSSEC
161ms
SRV
152ms
Total
908ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-22 22:54:46 908ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 00:23:40 906ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 22:01:27 1850ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 18:41:01 599ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 18:40:24 2688ms 2 NS 1 A 1 MX 🔓 Insecure View
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