skaibyg.dk
Last scanned: 2026-06-20 21:53:25  ·  1902ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   205ms
🌍 A Records1 records   224ms
📧 MX Records2 records   249ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig46.36.206.131
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   532ms
TXT Record
v=spf1 a include:spf.curanet.dk include:spf.simply.com -all
v=spf1 mx a include:spf.curanet.dk include:spf.simply.com -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (skaibyg.dk)
-all (hard fail) v=spf1 a include:spf.curanet.dk include:spf.simply.com -all
-all (hard fail) v=spf1 mx a include:spf.curanet.dk include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.skaibyg.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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC470ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA286ms
FieldValue
Serial2025101402
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
205ms
A
224ms
MX
249ms
AAAA
253ms
TXT
532ms
CAA
178ms
HTTPS
251ms
TLSA
204ms
SOA
286ms
MTA-STS
304ms
DNSSEC
470ms
SRV
325ms
Total
1902ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-20 21:53:25 1902ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-20 05:18:20 958ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-18 03:47:37 997ms 3 NS 1 A 2 MX 🔒 Secure View
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