studiebyslagelse.dk
📜 Historical scan 2026-06-19 22:45:50  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   50ms
🌍 A Records1 records   35ms
📧 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   222ms
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   30ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA40ms
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
50ms
A
35ms
MX
72ms
AAAA
33ms
TXT
222ms
CAA
30ms
HTTPS
29ms
TLSA
193ms
SOA
40ms
MTA-STS
72ms
DNSSEC
84ms
SRV
222ms
Total
564ms
🕐 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone