cisco-academy.dk
Last scanned: 2026-08-27 17:31:10  ·  16371ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   27ms
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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.41.4.170 86400s — AS3292 TDC Holding A/S 195.41.0.0/16 🇩🇰 Denmark Frederiksberg
📧 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   92ms
TXT Record
\195\133rhus K\195\184bmandsskole
✉️ 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)
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2014092588
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
27ms
A
36ms
MX
35ms
AAAA
25ms
TXT
92ms
CAA
38ms
HTTPS
30ms
TLSA
16032ms
SOA
0ms
MTA-STS
33ms
DNSSEC
95ms
SRV
35ms
Total
16371ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 17:31:10 16371ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-24 14:30:26 17107ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-22 04:39:22 18393ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-16 10:26:15 4640ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-15 00:08:04 8621ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-10 19:17:26 6624ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-08 17:16:05 8582ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-05 23:53:13 7942ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-24 13:22:46 18205ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-22 07:37:30 26162ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-19 03:47:01 19747ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-14 14:57:07 16645ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-07 06:11:46 4794ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-04 20:43:30 4486ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-03 12:45:37 4527ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-29 23:20:25 4484ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-27 10:34:59 5157ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-22 00:24:49 5045ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-16 20:55:14 5643ms 3 NS 1 A 0 MX 🔒 Secure View
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