fidu.dk
Last scanned: 2026-08-26 04:39:31  ·  1227ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   51ms
NameserverIP addressesPTRASN / ISP
ns1.aau.dk 130.225.52.5
2001:878:300:1::5		 ns1.aau.dk
ns1.aau.dk		 AS1835 IDDQD-AS
AS1835 IDDQD-AS
ns2.aau.dk 130.225.54.5
2001:878:300:100::5		 ns2.aau.dk
ns2.aau.dk		 AS1835 IDDQD-AS
AS1835 IDDQD-AS
🌍 A Records1 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.225.57.55 3600s — AS1835 IDDQD-AS 130.225.0.0/16 🇩🇰 Denmark —
📧 MX Records1 records   59ms
PriorityTTLMail ServerIP addressesPTRASN
40 3600s fidu-dk.mail.protection.outlook.com — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   264ms
TXT Record
v=spf1 include:_spfhard.aau.dk -all
✉️ SPF
PolicyRecord (fidu.dk)
-all (hard fail) v=spf1 include:_spfhard.aau.dk -all
📨 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.fidu.dk 09f6a3a9-8f9c-459f-b9a6-eeb77dbbf6b4.acme.aau.dk
TXT 09f6a3a9-8f9c-459f-b9a6-eeb77dbbf6b4.acme.aau.dk AxPzfwtegQrbQUecNHK7og9Vd4GgOml0Kr6HB6j2ROk
TXT 09f6a3a9-8f9c-459f-b9a6-eeb77dbbf6b4.acme.aau.dk FJNn4LdG0BJbaeUszkbywuMP1zMhjQ1OK5jJizVjfvU
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC93ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2023083001
Primary NS (MNAME)ns1.aau.dk
Responsible (RNAME)hostmaster@its.aau.dk
Refresh3600s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
51ms
A
64ms
MX
59ms
AAAA
55ms
TXT
264ms
CAA
44ms
HTTPS
54ms
TLSA
622ms
SOA
0ms
MTA-STS
85ms
DNSSEC
93ms
SRV
78ms
Total
1227ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 04:39:31 1227ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-23 00:07:27 16690ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-21 22:35:19 61303ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-02 18:26:59 3127ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 10:07:14 681ms 2 NS 1 A 1 MX 🔓 Insecure View
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