cisco-networking-academy.dk
Last scanned: 2026-09-02 00:43:21  ·  714ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   81ms
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   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.254.169.139 86400s — 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   186ms
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)
🔐 DNSSEC118ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2014092590
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
81ms
A
48ms
MX
56ms
AAAA
48ms
TXT
186ms
CAA
66ms
HTTPS
41ms
TLSA
276ms
SOA
0ms
MTA-STS
84ms
DNSSEC
118ms
SRV
89ms
Total
714ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 00:43:21 714ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-27 17:23:09 377ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-24 09:34:51 2175ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-22 03:57:09 3478ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-17 03:15:00 3427ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-15 16:32:16 24337ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-09 15:57:19 2674ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-06 22:59:34 2647ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-05 20:57:18 4731ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-29 11:10:19 4470ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-24 00:13:50 3658ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-21 22:13:14 17922ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-19 00:40:37 4510ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-17 13:03:29 2704ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-07 03:59:50 3798ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-04 10:13:17 2414ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-03 08:50:23 1304ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-27 16:01:59 724ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-21 08:22:00 985ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-19 19:58:12 1253ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-19 08:15:25 2089ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-16 20:55:28 464ms 3 NS 1 A 0 MX 🔒 Secure View
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