firstdown.dk
📜 Historical scan 2026-06-20 18:57:01  ·  ← 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)
🔐 DNSSEC475ms
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
195ms
A
195ms
MX
182ms
AAAA
213ms
TXT
498ms
CAA
216ms
HTTPS
208ms
TLSA
17ms
SOA
189ms
MTA-STS
191ms
DNSSEC
475ms
SRV
212ms
Total
1171ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 11:21:35 502ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-25 04:51:53 929ms 2 NS 2 A 0 MX ❓ Unknown View
2026-07-21 22:46:02 9779ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-21 09:48:11 546ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-20 18:57:01 1171ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 10:09:34 1847ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 10:04:58 884ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone