tracking4u.dk
Last scanned: 2026-08-26 19:27:52  ·  4359ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   122ms
🌍 A Records1 records   2040ms
📧 MX Records1 records   75ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s mail.tracking4u.dk 209.126.200.126 AS10439 CariNet, Inc.
🔷 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)
🔐 DNSSEC184ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2013052300
Primary NS (MNAME)ns1.quickdns.dk
Responsible (RNAME)hostmaster@quickdns.dk
Refresh14400s
Retry7200s
Expire2415600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
122ms
A
2040ms
MX
75ms
AAAA
100ms
TXT
1809ms
CAA
58ms
HTTPS
95ms
TLSA
1284ms
SOA
0ms
MTA-STS
244ms
DNSSEC
184ms
SRV
1307ms
Total
4359ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 19:27:52 4359ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-02 05:41:11 3496ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 16:34:57 1649ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 11:47:56 5035ms 4 NS 1 A 1 MX 🔓 Insecure View
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