3fklub.dk

📜 Historical scan 2026-06-16 12:41:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3fklub.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, uma.ns.cloudflare.com). It was registered on 16 May 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.177 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	—	—	—
uma.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.177	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.137.28	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:26b1	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:891c	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.177,172.67.137.28 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:26b1,2606:4700:3032::ac43:891c

📝 TXT Records#

1 records 144ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (3fklub.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.3fklub.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 15:01:22

www	104.21.38.177 172.67.137.28 2606:4700:3034::6815:26b1 2606:4700:3037::ac43:891c (AS13335) (address records, no CNAME)
www vs bare domain	Same network 3fklub.dk: 104.21.38.177 172.67.137.28 2606:4700:3034::6815:26b1 2606:4700:3037::ac43:891c (AS13335) www.3fklub.dk: 104.21.38.177 172.67.137.28 2606:4700:3034::6815:26b1 2606:4700:3037::ac43:891c (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

121ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

45ms

Field	Value
Serial	2405025030
Primary NS (MNAME)	jay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-30 11:20:15

Field	Value
Registrar	Simply.com A/S
Registered	2007-05-16
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

32ms

62ms

AAAA

36ms

TXT

144ms

CAA

38ms

HTTPS

34ms

TLSA

124ms

SOA

45ms

MTA-STS

59ms

DNSSEC

121ms

SRV

0ms

Total

523ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:52:35	681ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 22:58:29	599ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-30 11:13:51	646ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 06:51:40	451ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 06:33:39	607ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-22 15:19:43	1227ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-01 00:18:16	762ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 12:41:44 shown	523ms	2 NS 2 A 0 MX	🔓 Insecure