fd00.dk

📜 Historical scan 2026-08-27 17:02:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fd00.dk is a .dk domain served by 4 nameservers (ns1.port53.dk, ns2.port53.dk, ns3.port53.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by zdani.fd00.dk, bargu.fd00.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 2045ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

3 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 Records#

1 records 314ms

TXT Record
v=spf1 mx a include:_spf.szn.dk -all

✉️ SPF#

Policy	Record (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 Records#

2 records 85ms

Flags	Tag	Value
0	iodef	mailto:klaus@seistrup.dk
0	issue	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 13:33:08

www	NXDOMAIN
www vs bare domain	Neither resolves fd00.dk: no address www.fd00.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

9100ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2023041301
Primary NS (MNAME)	ns1.port53.dk
Responsible (RNAME)	kas@port53.dk
Refresh	86400s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

2045ms

2050ms

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 At	Duration	Records	DNSSEC
2026-09-30 16:14:46	1249ms	4 NS 0 A 3 MX	🔓 Insecure
2026-09-26 12:06:16	4177ms	4 NS 0 A 3 MX	🔓 Insecure
2026-09-03 19:38:34	8607ms	4 NS 0 A 3 MX	🔓 Insecure
2026-08-27 17:02:54 shown	10910ms	4 NS 0 A 3 MX	🔓 Insecure
2026-07-20 23:03:25	5383ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-17 10:16:46	7338ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-17 10:05:39	1389ms	4 NS 0 A 3 MX	🔓 Insecure