henrikburich.dk
Last scanned: 2026-08-26 15:29:56  ·  512ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
🌍 A Records1 records   40ms
📧 MX Records2 records   51ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 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 Records2 records   150ms
TXT Record
v=spf1 a include:spf.curanet.dk ~all
v=spf1 include:spf.onlinemail.io -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (henrikburich.dk)
~all (soft fail) v=spf1 a include:spf.curanet.dk ~all
-all (hard fail) v=spf1 include:spf.onlinemail.io -all
📨 DMARC
PolicyRecord (_dmarc.henrikburich.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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.henrikburich.dk qIIyIah7sVZTf6APzlDC0xUVjNDTWoXIs1GeZywvubo
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC85ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025121302
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
35ms
A
40ms
MX
51ms
AAAA
51ms
TXT
150ms
CAA
49ms
HTTPS
47ms
TLSA
61ms
SOA
0ms
MTA-STS
66ms
DNSSEC
85ms
SRV
62ms
Total
512ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 15:29:56 512ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-25 13:12:38 554ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 11:12:41 509ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 11:09:27 860ms 2 NS 1 A 2 MX 🔒 Secure View
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