bdtu.dk
Last scanned: 2026-07-01 23:56:45  ·  2346ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   280ms
🌍 A Records1 records   238ms
📧 MX Records1 records   269ms
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
🔷 Autodiscover185.154.243.151
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   270ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   834ms
TXT Record
v=spf1 include:spf.surftown.com include:spf.incom-it.dk -all
✉️ SPF
PolicyRecord (bdtu.dk)
-all (hard fail) v=spf1 include:spf.surftown.com include:spf.incom-it.dk -all
📨 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 / DANE2 records   182ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC545ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA270ms
FieldValue
Serial2026052601
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
280ms
A
238ms
MX
269ms
AAAA
265ms
TXT
834ms
CAA
244ms
HTTPS
227ms
TLSA
182ms
SOA
270ms
MTA-STS
274ms
DNSSEC
545ms
SRV
270ms
Total
2346ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-01 23:56:45 2346ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 14:12:09 458ms 4 NS 1 A 1 MX 🔒 Secure View
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