trebo.dk
Last scanned: 2026-06-17 23:51:42  ·  904ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   35ms
🌍 A Records2 records   39ms
📧 MX Records5 records   32ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 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   278ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   87ms
TXT Record
v=spf1 include:_spf.google.com include:spf.simply.com ~all
✉️ SPF
PolicyRecord (trebo.dk)
~all (soft fail) v=spf1 include:_spf.google.com include:spf.simply.com ~all
📨 DMARC
PolicyRecord (_dmarc.trebo.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA28ms
FieldValue
Serial2025042300
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
35ms
A
39ms
MX
32ms
AAAA
31ms
TXT
87ms
CAA
36ms
HTTPS
29ms
TLSA
81ms
SOA
28ms
MTA-STS
76ms
DNSSEC
98ms
SRV
278ms
Total
904ms
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