co-optimize.dk
📜 Historical scan 2026-06-22 22:21:01  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers
🖥️
No NS records found
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 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)
🔐 DNSSEC333ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure
🏷️ SOA
✗ No SOA record found
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
208ms
A
203ms
MX
220ms
AAAA
209ms
TXT
310ms
CAA
215ms
HTTPS
240ms
TLSA
17ms
SOA
188ms
MTA-STS
240ms
DNSSEC
333ms
SRV
253ms
Total
980ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 04:09:29 570ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-24 03:42:37 1476ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-22 22:21:01 980ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 04:46:40 943ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 00:09:36 65535ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:46:54 1696ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:30:42 708ms 3 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone