fourjacks.dk
📜 Historical scan 2026-07-17 13:20:23  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   97ms
🌍 A Records1 records   73ms
📧 MX Records3 records   68ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverfourjacks.dk → 217.116.232.216
🔶 Autoconfigfourjacks.dk → 217.116.232.216
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   358ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk
📝 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.fourjacks.dk fourjacks.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC160ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026071601
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@fourjacks.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
97ms
A
73ms
MX
68ms
AAAA
375ms
TXT
482ms
CAA
55ms
HTTPS
79ms
TLSA
304ms
SOA
0ms
MTA-STS
368ms
DNSSEC
160ms
SRV
358ms
Total
1435ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:13:12 858ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-20 13:49:47 7463ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-13 03:53:40 2016ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-07 02:39:07 1279ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-06 00:13:49 923ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-24 00:58:57 8830ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-17 13:20:23 1435ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-09 13:41:33 1493ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 13:42:44 2550ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-01 13:25:15 910ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-27 12:29:18 1574ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-26 07:03:13 1013ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-21 17:50:50 2282ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-21 12:42:19 1166ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:38:08 11364ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 10:23:51 548ms 5 NS 1 A 3 MX 🔓 Insecure View
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