studiebyslagelse.dk
Last scanned: 2026-08-26 02:32:40  ·  488ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   36ms
🌍 A Records1 records   43ms
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   194ms
TXT Record
S0J0A87263
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (studiebyslagelse.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.studiebyslagelse.dk)
p=reject v=DMARC1; p=reject; sp=reject
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records1 records   44ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC71ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
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
36ms
A
43ms
MX
50ms
AAAA
54ms
TXT
194ms
CAA
44ms
HTTPS
55ms
TLSA
47ms
SOA
0ms
MTA-STS
53ms
DNSSEC
71ms
SRV
66ms
Total
488ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 02:32:40 488ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-19 22:45:50 564ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 11:35:37 505ms 2 NS 1 A 0 MX 🔒 Secure View
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