fd00.dk
Last scanned: 2026-08-27 17:02:54  ·  10910ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   2045ms
NameserverIP addressesPTRASN / ISP
ns1.port53.dk 139.162.178.185
2a01:7e01::f03c:91ff:fe2c:3d7d		 benji.szn.dk
benji.szn.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
ns2.port53.dk 139.162.248.13
2a01:7e00::f03c:91ff:fe79:7a36		 bargu.szn.dk
bargu.szn.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
ns3.port53.dk 139.162.241.69
2a01:7e00::f03c:91ff:fea1:75a9		 sluni.szn.dk
sluni.szn.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
ns9.port53.dk 185.107.169.23
2a00:4820:3f60:f00:dacb:8aff:feba:55d7		 bornmesh.dk
bornmesh.dk		 AS24800 BornFiber Service Provider ApS
AS24800 BornFiber Service Provider ApS
🌍 A Records
🌍
No A records found
📧 MX Records3 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s zdani.fd00.dk 10.81.71.1
fd67:7561:7264:5747::1		 —
—		 —
—
20 3600s bargu.fd00.dk 10.81.71.11
fd67:7561:7264:5747::11		 —
—		 —
—
20 3600s benji.fd00.dk 10.81.71.12
fd67:7561:7264:5747::12		 —
—		 —
—
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   314ms
TXT Record
v=spf1 mx a include:_spf.szn.dk -all
✉️ SPF
PolicyRecord (fd00.dk)
-all (hard fail) v=spf1 mx a include:_spf.szn.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 Records2 records   85ms
FlagsTagValue
0 iodef mailto:klaus@seistrup.dk
0 issue ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9100ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2023041301
Primary NS (MNAME)ns1.port53.dk
Responsible (RNAME)kas@port53.dk
Refresh86400s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
2045ms
A
2050ms
MX
55ms
AAAA
97ms
TXT
314ms
CAA
85ms
HTTPS
75ms
TLSA
89ms
SOA
0ms
MTA-STS
93ms
DNSSEC
9100ms
SRV
109ms
Total
10910ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 17:02:54 10910ms 4 NS 0 A 3 MX 🔓 Insecure View
2026-07-20 23:03:25 5383ms 4 NS 0 A 3 MX 🔓 Insecure View
2026-06-17 10:16:46 7338ms 4 NS 0 A 3 MX 🔓 Insecure View
2026-06-17 10:05:39 1389ms 4 NS 0 A 3 MX 🔓 Insecure View
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