4dev.dk
📜 Historical scan 2026-08-26 13:03:44  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   67ms
🌍 A Records1 records   2071ms
📧 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)
🔐 DNSSEC109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2411404360
Primary NS (MNAME)dane.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
67ms
A
2071ms
MX
77ms
AAAA
53ms
TXT
277ms
CAA
65ms
HTTPS
82ms
TLSA
70ms
SOA
0ms
MTA-STS
89ms
DNSSEC
109ms
SRV
93ms
Total
2640ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 16:05:48 451ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-26 13:03:44 2640ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-06 18:17:08 1065ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-13 21:50:24 2872ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-10 07:42:18 2727ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-21 06:17:01 2753ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 12:50:06 1188ms 2 NS 1 A 0 MX 🔒 Secure View
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