sfd.dk

📜 Historical scan 2026-06-22 22:17:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfd.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, rocco.ns.cloudflare.com). It was registered on 14 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.220 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rocco.ns.cloudflare.com	108.162.195.121 162.159.44.121 172.64.35.121 2606:4700:58::a29f:2c79 2803:f800:50::6ca2:c379 2a06:98c1:50::ac40:2379	rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.220	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.93	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:34dc	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:cc5d	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.220,172.67.204.93 ech=AEX+DQBBSAAgACCQX9eM2xaCzXoSwa+W7UzbxWErZ7Nk9GpT0fJAz3meAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:34dc,2606:4700:3035::ac43:cc5d

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 19:22:21

www	104.21.52.220 172.67.204.93 2606:4700:3034::6815:34dc 2606:4700:3035::ac43:cc5d (AS13335) (address records, no CNAME)
www vs bare domain	Same network sfd.dk: 104.21.52.220 172.67.204.93 2606:4700:3034::6815:34dc 2606:4700:3035::ac43:cc5d (AS13335) www.sfd.dk: 104.21.52.220 172.67.204.93 2606:4700:3034::6815:34dc 2606:4700:3035::ac43:cc5d (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2406597750
Primary NS (MNAME)	cortney.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 19:53:33

Field	Value
Registrar	Obsidian Digital A/S
Registered	2021-05-14
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

40ms

45ms

AAAA

39ms

TXT

217ms

CAA

38ms

HTTPS

38ms

TLSA

51ms

SOA

35ms

MTA-STS

56ms

DNSSEC

80ms

SRV

82ms

Total

809ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:22:21	915ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 18:26:56	419ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-02 11:50:32	573ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-29 01:42:29	2209ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 22:38:18	1304ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 20:45:22	474ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 20:19:43	777ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-10 05:20:28	1135ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 03:14:25	862ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 22:17:06 shown	809ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 20:00:21	432ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 15:21:31	777ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 05:00:19	2849ms	2 NS 2 A 0 MX	🔓 Insecure