mailstack.dk
📜 Historical scan 2026-06-17 14:35:08  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   147ms
🌍 A Records1 records   126ms
📧 MX Records1 records   141ms
PriorityTTLMail ServerIP addressesPTRASN
10 mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   261ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (mailstack.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.mailstack.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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   317ms
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…
🔐 DNSSEC331ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA133ms
FieldValue
Serial2025112501
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
147ms
A
126ms
MX
141ms
AAAA
121ms
TXT
261ms
CAA
119ms
HTTPS
148ms
TLSA
317ms
SOA
133ms
MTA-STS
97ms
DNSSEC
331ms
SRV
0ms
Total
2003ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 02:37:33 649ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-05 17:32:33 2840ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-21 09:36:38 539ms 3 NS 1 A 1 MX ⚠️ Bogus View
2026-06-17 14:35:08 2003ms 3 NS 1 A 1 MX 🔒 Secure View
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