aarhustekniskeskole.dk
Last scanned: 2026-08-27 18:12:03  ·  800ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   106ms
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 Records3 records   242ms
TXT Record
inst=AARHUS TECH
SOA=1708684429
v=spf1 -all
✉️ SPF
PolicyRecord (aarhustekniskeskole.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.aarhustekniskeskole.dk)
p=reject v=DMARC1; p=reject; rua=mailto:62b3331b5a414@dmarc.centerasecurity.com;
📬 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)
🔐 DNSSEC234ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2024092217
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
106ms
A
80ms
MX
84ms
AAAA
121ms
TXT
242ms
CAA
114ms
HTTPS
121ms
TLSA
39ms
SOA
0ms
MTA-STS
134ms
DNSSEC
234ms
SRV
127ms
Total
800ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:12:03 800ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-27 00:14:40 421ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-26 02:49:16 680ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-22 15:02:04 5070ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-20 14:09:37 9335ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-14 00:04:50 772ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-10 23:44:25 4640ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-08 07:22:51 4664ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-03 21:28:20 5935ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 21:10:52 453ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-22 17:00:27 2051ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-19 23:49:40 13457ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-16 09:27:38 2264ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-10 16:49:15 468ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-06 11:23:41 2080ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-03 19:58:39 531ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-01 03:37:58 454ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-27 04:17:01 1210ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-24 16:02:22 487ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-23 02:06:39 1175ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 09:19:39 8415ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-16 12:45:56 675ms 3 NS 0 A 0 MX 🔒 Secure View
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