tekniskgymnasiumaarhus.dk
Last scanned: 2026-08-31 11:44:23  ·  2874ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   36ms
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 Records2 records   143ms
TXT Record
SOA=1708684584
v=spf1 -all
✉️ SPF
PolicyRecord (tekniskgymnasiumaarhus.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.tekniskgymnasiumaarhus.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)
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2024092218
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
36ms
A
37ms
MX
29ms
AAAA
33ms
TXT
143ms
CAA
44ms
HTTPS
42ms
TLSA
32ms
SOA
0ms
MTA-STS
48ms
DNSSEC
75ms
SRV
58ms
Total
2874ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 11:44:23 2874ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-31 08:53:28 354ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-26 20:28:12 690ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-25 05:21:31 1000ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-23 03:20:22 3181ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-20 01:00:16 3755ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-14 00:09:53 3781ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-11 19:05:03 9798ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-06 10:52:20 673ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-28 23:05:54 4682ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 10:59:01 8528ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-25 10:35:47 5019ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-22 04:16:53 2407ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-19 23:46:59 3858ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-17 16:31:04 15723ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-16 04:56:24 810ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-11 12:11:57 964ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-06 05:23:19 507ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-02 11:10:21 908ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-26 19:42:25 560ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-25 12:31:13 512ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-18 16:50:25 4405ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-17 13:29:13 573ms 3 NS 0 A 0 MX 🔒 Secure View
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