kursus-i-ct.dk
Last scanned: 2026-08-30 02:16:47  ·  342ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   31ms
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   85ms
TXT Record
google-site-verification=N5gAPTyvo-zd9-EBa3kxI6mom4VycRZzRYCFMZnTHHA
✉️ 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)
🔐 DNSSEC105ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2019012509
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
31ms
A
30ms
MX
17ms
AAAA
29ms
TXT
85ms
CAA
22ms
HTTPS
34ms
TLSA
15ms
SOA
0ms
MTA-STS
31ms
DNSSEC
105ms
SRV
36ms
Total
342ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 02:16:47 342ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-27 20:05:30 458ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-27 06:27:27 349ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-26 06:23:11 492ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-25 06:34:46 8426ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-20 01:26:21 8630ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-19 00:38:19 12491ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-12 16:34:17 4400ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-10 01:48:59 9177ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-07 01:51:31 6480ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-01 18:41:46 2031ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 11:49:03 3272ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-24 10:40:00 9552ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-22 01:39:07 18321ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-18 03:51:21 6397ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-15 14:58:12 750ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-13 15:38:46 748ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-08 13:08:17 915ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-04 22:17:26 1232ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-28 23:45:10 443ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-24 19:07:55 444ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-17 13:38:43 1366ms 3 NS 0 A 0 MX 🔒 Secure View
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