443.dk
📜 Historical scan 2026-06-16 13:14:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   2068ms
NameserverIP addressesPTRASN / ISP
ns-1286.awsdns-32.org — — —
ns-1987.awsdns-56.co.uk — — —
ns-289.awsdns-36.com — — —
ns-997.awsdns-60.net — — —
🌍 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)
🔐 DNSSEC2094ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA2039ms
FieldValue
Serial1
Primary NS (MNAME)ns-289.awsdns-36.com
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
2068ms
A
2037ms
MX
2064ms
AAAA
2067ms
TXT
2171ms
CAA
2068ms
HTTPS
2064ms
TLSA
32ms
SOA
2039ms
MTA-STS
77ms
DNSSEC
2094ms
SRV
0ms
Total
2406ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-21 03:24:10 764ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-16 13:14:38 2406ms 4 NS 0 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone