smusa.dk
Last scanned: 2026-08-17 11:08:47  ·  5099ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   56ms
🌍 A Records1 records   41ms
📧 MX Records2 records   54ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   160ms
TXT Record
protonmail-verification=0ff28670095fb6c855c9dc5a56a3991fa0784a86
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (smusa.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.smusa.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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 / DANE4 records   132ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC88ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA45ms
FieldValue
Serial2026081001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
56ms
A
41ms
MX
54ms
AAAA
48ms
TXT
160ms
CAA
54ms
HTTPS
57ms
TLSA
132ms
SOA
45ms
MTA-STS
61ms
DNSSEC
88ms
SRV
63ms
Total
5099ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-17 11:08:47 5099ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-11 13:54:20 949ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-11 21:09:37 887ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 19:13:44 2057ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 00:04:10 515ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 21:59:11 1239ms 2 NS 1 A 2 MX 🔒 Secure View
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