dcfak.dk
📜 Historical scan 2026-08-11 20:45:16  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   50ms
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   2141ms
TXT Record
Maskinmesterskolen Kbh
✉️ 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)
🔐 DNSSEC90ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2021030908
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
50ms
A
2026ms
MX
49ms
AAAA
44ms
TXT
2141ms
CAA
48ms
HTTPS
51ms
TLSA
41ms
SOA
0ms
MTA-STS
46ms
DNSSEC
90ms
SRV
68ms
Total
4508ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 16:49:20 666ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-25 02:26:48 2251ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-22 23:37:46 8684ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-20 23:10:10 9747ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-17 20:18:36 3136ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-11 20:45:16 4508ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-10 06:15:08 6524ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-08 16:44:23 13422ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-06 12:25:41 2762ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-03 21:39:11 1804ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-25 18:31:42 1966ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-23 11:54:19 2075ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-22 10:13:37 4452ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-21 09:39:01 2268ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-14 17:18:04 641ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-08 15:36:05 906ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-06 04:24:59 479ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-03 20:21:32 2677ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-02 15:27:30 388ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-25 07:08:07 664ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-23 03:11:47 1258ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-19 12:13:33 424ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-17 01:15:55 618ms 3 NS 0 A 0 MX 🔒 Secure View
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