århuskøbmandsskole.dk xn--rhuskbmandsskole-cob16a.dk
Last scanned: 2026-09-06 11:50:49  ·  376ms 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 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   112ms
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)
🔐 DNSSEC100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2010071890
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
25ms
MX
24ms
AAAA
32ms
TXT
112ms
CAA
27ms
HTTPS
21ms
TLSA
12ms
SOA
0ms
MTA-STS
43ms
DNSSEC
100ms
SRV
38ms
Total
376ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-06 11:50:49 376ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-28 00:31:56 349ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-23 17:09:15 3204ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-22 12:05:14 3193ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-16 17:20:30 641ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-15 16:59:43 3546ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-12 06:26:23 3374ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-07 17:59:53 2588ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-28 20:11:47 11704ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-24 09:22:07 9481ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-22 03:50:49 4462ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-19 05:42:53 2177ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-17 04:02:35 513ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-08 15:34:08 711ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-04 23:05:39 528ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-01 18:45:49 469ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-27 02:39:41 758ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-20 16:23:53 401ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-19 19:07:37 4357ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-18 07:26:19 825ms 3 NS 0 A 0 MX 🔒 Secure View
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