3f-a.dk

📜 Historical scan 2026-06-16 12:43:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3f-a.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, uma.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.1 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 67ms

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

🌍 A Records#

2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.1	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.1	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:9d90	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:28e4	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

1 records 124ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.3f-a.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 2026-10-10 06:32:46

www	104.21.40.228 172.67.157.144 2606:4700:3030::6815:28e4 2606:4700:3032::ac43:9d90 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 3f-a.dk: 104.21.40.228 172.67.157.144 2606:4700:3030::6815:28e4 2606:4700:3032::ac43:9d90 (AS13335) www.3f-a.dk: 104.21.40.228 172.67.157.144 2606:4700:3030::6815:28e4 2606:4700:3032::ac43:9d90 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

131ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2405732775
Primary NS (MNAME)	jay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

67ms

42ms

50ms

AAAA

65ms

TXT

124ms

CAA

46ms

HTTPS

51ms

TLSA

69ms

SOA

46ms

MTA-STS

44ms

DNSSEC

131ms

SRV

0ms

Total

550ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 02:29:23	512ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 17:39:47	618ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 02:51:58	673ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-19 02:11:38	6116ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-01 15:23:17	919ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-30 21:51:17	784ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 06:37:20	2361ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 12:43:50 shown	550ms	2 NS 2 A 0 MX	🔓 Insecure