istdp-instituttet.dk
Last scanned: 2026-08-13 18:26:36  ·  2225ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   210ms
🌍 A Records1 records   264ms
📧 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 Records1 records   459ms
TXT Record
v=spf1 include:_spf.protonmail.ch mx ~all
✉️ SPF
PolicyRecord (istdp-instituttet.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch mx ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC385ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081302
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
210ms
A
264ms
MX
335ms
AAAA
303ms
TXT
459ms
CAA
259ms
HTTPS
199ms
TLSA
255ms
SOA
0ms
MTA-STS
369ms
DNSSEC
385ms
SRV
324ms
Total
2225ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-13 18:26:36 2225ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-06 09:12:43 611ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-02 02:25:15 682ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-23 12:02:39 4492ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-30 21:28:04 733ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 19:04:47 630ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-21 03:59:36 587ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 11:54:19 554ms 2 NS 1 A 0 MX 🔒 Secure View
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