fc00.dk

📜 Historical scan 2026-08-31 23:17:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fc00.dk is a .dk domain served by 4 nameservers (ns1.port53.dk, ns2.port53.dk, ns3.port53.dk and 1 more). It was registered on 27 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by zdani.fc00.dk, bargu.fc00.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 89ms

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 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 Records#

1 records 330ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (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 Records#

2 records 79ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 13:01:55

www	NXDOMAIN
www vs bare domain	Neither resolves fc00.dk: no address www.fc00.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

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#

35ms

Field	Value
Serial	2020081001
Primary NS (MNAME)	ns1.port53.dk
Responsible (RNAME)	kas@port53.dk
Refresh	86400s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 02:05:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-08-27
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

68ms

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 At	Duration	Records	DNSSEC
2026-10-01 05:52:27	10610ms	4 NS 0 A 3 MX	🔓 Insecure
2026-09-18 21:35:44	3535ms	4 NS 0 A 3 MX	🔓 Insecure
2026-09-09 21:47:03	5513ms	4 NS 0 A 0 MX	🔓 Insecure
2026-08-31 23:17:32 shown	5709ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-28 00:17:53	1936ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-25 06:09:47	5210ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-22 23:17:39	1130ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:31:50	1808ms	4 NS 0 A 3 MX	🔓 Insecure