retrostar.dk
📜 Historical scan 2026-06-18 20:08:20  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   43ms
🌍 A Records1 records   33ms
📧 MX Records1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover94.231.103.9
🔶 Autoconfig94.231.103.9
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   178ms
TXT Record
v=spf1 include:amazonses.com ~all
✉️ SPF
PolicyRecord (retrostar.dk)
~all (soft fail) v=spf1 include:amazonses.com ~all
📨 DMARC
PolicyRecord (_dmarc.retrostar.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:finn.bjerrum.larsen@gmail.com
📬 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 / DANE2 records   61ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC66ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA53ms
FieldValue
Serial2026040104
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
43ms
A
33ms
MX
49ms
AAAA
96ms
TXT
178ms
CAA
44ms
HTTPS
42ms
TLSA
61ms
SOA
53ms
MTA-STS
53ms
DNSSEC
66ms
SRV
101ms
Total
720ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 12:44:15 537ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-18 20:08:20 720ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 22:58:28 597ms 4 NS 1 A 1 MX 🔒 Secure View
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