systemmailer.dk
Last scanned: 2026-07-02 11:50:17  ·  944ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   67ms
🌍 A Records1 records   76ms
📧 MX Records3 records   75ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   179ms
TXT Record
v=spf1 include:mailgun.org ~all
✉️ SPF
PolicyRecord (systemmailer.dk)
~all (soft fail) v=spf1 include:mailgun.org ~all
📨 DMARC
PolicyRecord (_dmarc.systemmailer.dk)
p=reject v=DMARC1;p=reject;rua=mailto:01145d906b@rua.easydmarc.eu;ruf=mailto:01145d906b@ruf.easydmarc.eu;fo=1
📬 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)
🔐 DNSSEC164ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA53ms
FieldValue
Serial2023112303
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
67ms
A
76ms
MX
75ms
AAAA
63ms
TXT
179ms
CAA
87ms
HTTPS
69ms
TLSA
116ms
SOA
53ms
MTA-STS
93ms
DNSSEC
164ms
SRV
81ms
Total
944ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 11:50:17 944ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-19 17:06:05 822ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 17:16:47 9487ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 17:16:36 1157ms 2 NS 1 A 3 MX 🔒 Secure View
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