rbuelund.dk
Last scanned: 2026-07-30 05:24:03  ·  13928ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
🌍 A Records1 records   33ms
📧 MX Records2 records   47ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.21.40.62
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   153ms
TXT Record
v=spf1 include:spf.curanet.dk include:mailgun.org ~all
✉️ SPF
PolicyRecord (rbuelund.dk)
~all (soft fail) v=spf1 include:spf.curanet.dk include:mailgun.org ~all
📨 DMARC
PolicyRecord (_dmarc.rbuelund.dk)
p=quarantine v=DMARC1; p=quarantine; ruf=mailto:mail@rbuelund.dk
📬 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)
🔐 DNSSEC9064ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsfully validated
🏷️ SOA2029ms
FieldValue
Serial2024121601
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
43ms
A
33ms
MX
47ms
AAAA
32ms
TXT
153ms
CAA
4031ms
HTTPS
2029ms
TLSA
96ms
SOA
2029ms
MTA-STS
44ms
DNSSEC
9064ms
SRV
4030ms
Total
13928ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-30 05:24:03 13928ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 10:14:28 1887ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-19 23:14:22 822ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 11:31:21 2787ms 2 NS 1 A 2 MX 🔒 Secure View
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