cefu.dk
Last scanned: 2026-08-25 22:24:07  ·  585ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
NameserverIP addressesPTRASN / ISP
ns1.fab-it.dk 2a00:df0:114:253::
93.90.114.253		 ns1.fab-it.dk
ns1.fab-it.dk		 AS45032 Fab:IT ApS
AS45032 Fab:IT ApS
ns2.fab-it.dk 2a00:df0:114:63::
93.90.114.63		 —
—		 AS45032 Fab:IT ApS
AS45032 Fab:IT ApS
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.90.116.34 3600s prod.cefu.dk AS45032 Fab:IT ApS 93.90.112.0/20 🇩🇰 Denmark —
📧 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2023082305
Primary NS (MNAME)ns1.fab-it.dk
Responsible (RNAME)dnsmaster@fab-it.dk
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
41ms
A
51ms
MX
56ms
AAAA
58ms
TXT
210ms
CAA
50ms
HTTPS
53ms
TLSA
84ms
SOA
0ms
MTA-STS
71ms
DNSSEC
103ms
SRV
69ms
Total
585ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 22:24:07 585ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-01 23:41:48 1030ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 20:04:12 290ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 20:03:22 1198ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 20:00:03 427ms 2 NS 1 A 0 MX 🔓 Insecure View
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