rssfeed.dk

📜 Historical scan 2026-08-21 17:36:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rssfeed.dk is a .dk domain served by 2 nameservers (beth.ns.cloudflare.com, jim.ns.cloudflare.com). It was registered on 1 December 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.218 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. 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 348ms

Nameserver	IP addresses	PTR	ASN / ISP
beth.ns.cloudflare.com	108.162.192.103 172.64.32.103 173.245.58.103 2606:4700:50::adf5:3a67 2803:f800:50::6ca2:c067 2a06:98c1:50::ac40:2067	beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jim.ns.cloudflare.com	108.162.193.125 172.64.33.125 173.245.59.125 2606:4700:58::adf5:3b7d 2803:f800:50::6ca2:c17d 2a06:98c1:50::ac40:217d	jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.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 382ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.218	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.71	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 288ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
33	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
34	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 347ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:8c47	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:8da	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 386ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.218,172.67.140.71 ech=AEX+DQBBLQAgACCVijVnrdTiGn5EZuGMPclZj6RX3RXcaLkcIxSe2++TQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8c47,2606:4700:3037::6815:8da

📝 TXT Records#

1 records 872ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (rssfeed.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 20:21:23

www	104.21.8.218 172.67.140.71 2606:4700:3033::ac43:8c47 2606:4700:3037::6815:8da (AS13335) (address records, no CNAME)
www vs bare domain	Same network rssfeed.dk: 104.21.8.218 172.67.140.71 2606:4700:3033::ac43:8c47 2606:4700:3037::6815:8da (AS13335) www.rssfeed.dk: 104.21.8.218 172.67.140.71 2606:4700:3033::ac43:8c47 2606:4700:3037::6815:8da (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rssfeed.dk	HI6JPv6pTi4xzzXHYEUDwd0ehqOxgzKvzLWGfUQWs5E
TXT	_acme-challenge.rssfeed.dk	MkjcC5Il7zDeKCTJVSbna55VFrch_DQm5WMYig_-i38

🔗 TLSA / DANE#

9 records 434ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

649ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412801388
Primary NS (MNAME)	beth.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-02 20:18:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-12-01
Expires	2026-12-31 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

348ms

382ms

288ms

AAAA

347ms

TXT

872ms

CAA

316ms

HTTPS

386ms

TLSA

434ms

SOA

0ms

MTA-STS

571ms

DNSSEC

649ms

SRV

425ms

Total

12900ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 19:43:04	3255ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 19:05:39	2296ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-24 18:11:09	9818ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-23 15:29:42	1082ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-18 07:24:31	1920ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-11 06:55:06	2001ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 22:45:58	834ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-21 17:36:56 shown	12900ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-17 22:12:03	8423ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-02 22:16:51	1146ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-24 20:32:29	1245ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-22 05:52:36	1847ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-19 23:09:57	4601ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-18 08:32:13	23219ms	2 NS 2 A 3 MX	🔓 Insecure