aarhusbusinesscollege.dk
Last scanned: 2026-09-01 21:03:48  ·  429ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   45ms
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 Records
🌍
No A records found
📧 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   148ms
TXT Record
Aarhus Business College
✉️ 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
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2015112700
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
45ms
A
61ms
MX
41ms
AAAA
41ms
TXT
148ms
CAA
58ms
HTTPS
62ms
TLSA
30ms
SOA
0ms
MTA-STS
53ms
DNSSEC
95ms
SRV
62ms
Total
429ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 21:03:48 429ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-31 22:41:30 787ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-29 21:28:02 779ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-24 15:07:23 4399ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-21 11:14:08 5726ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-19 03:19:14 4666ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-16 10:04:01 4696ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-13 15:51:25 551ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-08 17:20:44 4459ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-04 15:23:47 7247ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 07:45:41 10657ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-21 06:06:36 3920ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-18 19:48:46 9424ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-17 17:53:58 652ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-12 04:20:15 695ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-04 22:02:10 4581ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-03 15:05:01 2331ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-29 01:57:40 538ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-23 18:31:02 1191ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-23 04:20:09 1090ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 01:22:31 962ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 13:28:58 971ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 09:52:30 1063ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-16 13:16:28 545ms 3 NS 0 A 0 MX 🔒 Secure View
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