biztek.dk
Last scanned: 2026-08-28 04:08:05  ·  1274ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   40ms
NameserverIP addressesPTRASN / ISP
ns.efif.dk 195.254.168.23 ns.efif.dk AS51073 Aarhus Business College
ns2.efif.dk 195.254.168.12 ns2.efif.dk AS51073 Aarhus Business College
ns3.efif.dk 20.23.170.35 — AS8075 Microsoft Corporation
🌍 A Records1 records   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.254.168.52 86400s cphbusiness.dk
ek.dk
keanet.dk
kompetence.kea.dk
redirect.efif.dk		 AS51073 Aarhus Business College 195.254.168.0/23 🇩🇰 Denmark Aarhus
📧 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   257ms
TXT Record
AABC
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2023100543
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
40ms
A
56ms
MX
53ms
AAAA
58ms
TXT
257ms
CAA
52ms
HTTPS
73ms
TLSA
52ms
SOA
0ms
MTA-STS
109ms
DNSSEC
110ms
SRV
918ms
Total
1274ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:08:05 1274ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-09 19:44:56 4574ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-06 21:23:20 4383ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-07-20 11:05:21 4770ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-07-17 21:38:16 13500ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-07-02 00:59:38 599ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 14:43:01 507ms 3 NS 1 A 0 MX 🔓 Insecure View
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