aarhuserhvervsskole.dk
Last scanned: 2026-08-30 23:43:51  ·  357ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   20ms
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   78ms
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)
🔐 DNSSEC93ms
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
20ms
A
24ms
MX
31ms
AAAA
25ms
TXT
78ms
CAA
24ms
HTTPS
25ms
TLSA
19ms
SOA
0ms
MTA-STS
35ms
DNSSEC
93ms
SRV
29ms
Total
357ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 23:43:51 357ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-29 17:16:25 770ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-24 14:49:28 4093ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-21 12:31:13 524ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-19 05:29:58 4561ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-13 00:08:26 584ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-10 15:03:46 4480ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-08 08:54:08 2329ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-05 14:41:12 6427ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 04:20:11 4472ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-23 23:42:46 4496ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-21 15:58:45 9915ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-18 21:45:21 10134ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-16 17:00:33 4536ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-12 17:41:32 642ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-04 21:10:27 2806ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-01 19:28:19 509ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-29 03:07:26 803ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-26 23:25:53 424ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-25 06:34:23 603ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-19 06:18:14 3824ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-16 12:44:35 568ms 3 NS 0 A 0 MX 🔒 Secure View
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