fc00.dk
Last scanned: 2026-08-31 23:17:32  ·  5709ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   89ms
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   65ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s zdani.fc00.dk fc2a:e8f2:3f9c:52e5:5c2f:da95:9213:7bd7 — —
20 21600s bargu.fc00.dk fccc:430a:1d0e:f425:16b8:85a0:bf9e:867a — —
20 21600s benji.fc00.dk fcc5:38c:65b7:fc2c:c04a:924f:4b33:33fd — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   330ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (fc00.dk)
-all (hard fail) v=spf1 mx -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   79ms
FlagsTagValue
0 iodef mailto:klaus@seistrup.dk
0 issue ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA35ms
FieldValue
Serial2020081001
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
89ms
A
68ms
MX
65ms
AAAA
63ms
TXT
330ms
CAA
79ms
HTTPS
75ms
TLSA
115ms
SOA
35ms
MTA-STS
110ms
DNSSEC
117ms
SRV
100ms
Total
5709ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 23:17:32 5709ms 4 NS 0 A 3 MX 🔓 Insecure View
2026-06-28 00:17:53 1936ms 4 NS 0 A 3 MX 🔓 Insecure View
2026-06-25 06:09:47 5210ms 4 NS 0 A 3 MX 🔓 Insecure View
2026-06-22 23:17:39 1130ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:31:50 1808ms 4 NS 0 A 3 MX 🔓 Insecure View
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