heluma.dk
Last scanned: 2026-06-21 16:06:03  ·  728ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
🌍 A Records1 records   38ms
📧 MX Records2 records   32ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.136
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   272ms
TXT Record
protonmail-verification=20e90c8277c904057fee361a3cef1e811bd4216f
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (heluma.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.heluma.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   81ms
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 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA43ms
FieldValue
Serial2026032501
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
49ms
A
38ms
MX
32ms
AAAA
48ms
TXT
272ms
CAA
84ms
HTTPS
102ms
TLSA
81ms
SOA
43ms
MTA-STS
74ms
DNSSEC
75ms
SRV
99ms
Total
728ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-21 16:06:03 728ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 11:19:55 581ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 11:19:19 837ms 2 NS 1 A 2 MX 🔒 Secure View
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