systemet.dk
📜 Historical scan 2026-07-21 20:49:07  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
🌍 A Records2 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.29.53 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.171.95 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)2 records   46ms
🔐 HTTPS Records1 records   52ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBkAAgACBkYg6N7QZbCNCdp09YndiOSqDuFx3V6vJsUc2jAGvGdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
📝 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)
🔐 DNSSEC134ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA36ms
FieldValue
Serial2409712816
Primary NS (MNAME)kellen.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
58ms
A
68ms
MX
51ms
AAAA
46ms
TXT
190ms
CAA
46ms
HTTPS
52ms
TLSA
50ms
SOA
36ms
MTA-STS
75ms
DNSSEC
134ms
SRV
95ms
Total
16757ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:02:40 496ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-21 20:49:07 16757ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-17 20:55:00 705ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-01 05:47:36 730ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-18 06:57:56 3392ms 2 NS 2 A 0 MX 🔓 Insecure View
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