idctrl.dk
📜 Historical scan 2026-06-23 22:36:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   91ms
🌍 A Records1 records   89ms
📧 MX Records1 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   275ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (idctrl.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.idctrl.dk)
p=reject v=DMARC1; p=reject;
📬 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)
🔐 DNSSEC79ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA89ms
FieldValue
Serial2023111402
Primary NS (MNAME)ns01.online4u.no
Responsible (RNAME)hostmaster@online4u.no
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
91ms
A
89ms
MX
46ms
AAAA
46ms
TXT
275ms
CAA
108ms
HTTPS
76ms
TLSA
189ms
SOA
89ms
MTA-STS
92ms
DNSSEC
79ms
SRV
104ms
Total
688ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 09:06:39 1041ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 22:36:38 688ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 10:22:52 3356ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 16:37:09 1188ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 19:11:46 1022ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 17:06:14 3186ms 2 NS 1 A 0 MX 🔓 Insecure View
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