risdup.dk
Last scanned: 2026-08-26 11:10:25  ·  824ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   34ms
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
ns3.fab-it.dk 2a00:df0:115:253::
93.90.115.253		 ns3.fab-it.dk
ns3.fab-it.dk		 AS45032 Fab:IT ApS
AS45032 Fab:IT ApS
🌍 A Records1 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
75.2.60.5 7200s acd89244c803f7181.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 75.2.0.0/17 🇺🇸 United States —
📧 MX Records2 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
0 1800s mailscan01.fab-it.dk 93.90.114.120
93.90.114.122		 se01.fab-it.dk
se02.fab-it.dk		 AS45032 Fab:IT ApS
AS45032 Fab:IT ApS
10 1800s mailscan02.fab-it.dk 93.90.114.121
93.90.114.123		 se01-2.fab-it.dk
se02-2.fab-it.dk		 AS45032 Fab:IT ApS
AS45032 Fab:IT ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   139ms
TXT Record
keybase-site-verification=05ddkztmAYi884ruIpnLNY2yD_VcZOpAB7rXCeFTOx4
v=spf1 mx a include:spf.se.fab-it.dk a:mail06.fab-it.dk -all
✉️ SPF
PolicyRecord (risdup.dk)
-all (hard fail) v=spf1 mx a include:spf.se.fab-it.dk a:mail06.fab-it.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC100ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082401
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
34ms
A
29ms
MX
33ms
AAAA
28ms
TXT
139ms
CAA
33ms
HTTPS
26ms
TLSA
171ms
SOA
0ms
MTA-STS
48ms
DNSSEC
100ms
SRV
42ms
Total
824ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:10:25 824ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 07:41:35 1195ms 3 NS 1 A 2 MX 🔓 Insecure View
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