koeler.dk
Last scanned: 2026-08-25 11:28:19  ·  741ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   29ms
NameserverIP addressesPTRASN / ISP
dns1.rackhosting.com 77.247.69.212 dns1.rackhosting.com AS31590 Rackhosting.com ApS
dns2.rackhosting.com 45.32.187.211 dns2.rackhosting.com AS20473 The Constant Company, LLC
dns3.rackhosting.com 77.247.69.213 dns3.rackhosting.com AS31590 Rackhosting.com ApS
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.247.78.2 86400s vps189.rackhosting.com AS31590 Rackhosting.com ApS 77.247.64.0/20 🇩🇰 Denmark —
📧 MX Records1 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.koeler.dk 77.247.78.2 vps189.rackhosting.com AS31590 Rackhosting.com ApS
🔷 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC113ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1785669835
Primary NS (MNAME)dns1.rackhosting.com
Responsible (RNAME)kontakt@certa-web.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
35ms
MX
28ms
AAAA
40ms
TXT
220ms
CAA
31ms
HTTPS
36ms
TLSA
83ms
SOA
0ms
MTA-STS
61ms
DNSSEC
113ms
SRV
100ms
Total
741ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 11:28:19 741ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-07 07:23:05 737ms 3 NS 1 A 1 MX ❓ Unknown View
2026-06-19 21:38:05 2106ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 06:07:07 746ms 3 NS 1 A 1 MX 🔓 Insecure View
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