studsys.dk
Last scanned: 2026-09-04 07:23:51  ·  599ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   102ms
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 Records
📝
No TXT records found
✉️ 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)
🔐 DNSSEC201ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2016010992
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
102ms
A
96ms
MX
87ms
AAAA
82ms
TXT
210ms
CAA
113ms
HTTPS
41ms
TLSA
19ms
SOA
0ms
MTA-STS
138ms
DNSSEC
201ms
SRV
138ms
Total
599ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 07:23:51 599ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-31 17:27:33 414ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-30 06:24:43 1086ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-26 23:26:05 532ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-25 08:11:45 1848ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-18 23:02:27 11426ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-12 18:43:54 1774ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-09 17:27:29 4549ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-03 07:46:53 6160ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 07:28:23 4414ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-24 05:52:22 2428ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-22 00:09:03 1379ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-16 20:51:55 2324ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-10 02:46:56 718ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-08 17:28:16 1520ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-04 11:31:33 2383ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-30 02:27:22 488ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-25 15:53:58 370ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-21 00:53:36 411ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-18 00:30:53 503ms 3 NS 0 A 0 MX 🔒 Secure View
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