404.dk

📜 Historical scan 2026-10-04 02:22:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

404.dk is a .dk domain served by 2 nameservers (brenda.ns.cloudflare.com, stan.ns.cloudflare.com). It was registered on 4 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.205 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stan.ns.cloudflare.com	108.162.193.235 172.64.33.235 173.245.59.235 2606:4700:58::adf5:3beb 2803:f800:50::6ca2:c1eb 2a06:98c1:50::ac40:21eb	stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.205	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.192.55	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	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.
32	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.
50	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.

🔷 AAAA Records (IPv6)#

2 records 21ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:41cd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:c037	300s	—	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=104.21.65.205,172.67.192.55 ech=AEX+DQBBXwAgACCplMuWd4NkksPyWK/21mR95dZwaYAxDnG1cFNA2PCnOAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:41cd,2606:4700:3033::ac43:c037

📝 TXT Records#

2 records 169ms

TXT Record
google-site-verification=AxFN59ZruvW0UuHHdOuUmXFsCssQGKs1jhb9kd_feUQ
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (404.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.404.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 00:48:48

www	104.21.65.205 172.67.192.55 2606:4700:3033::6815:41cd 2606:4700:3033::ac43:c037 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 404.dk: 104.21.65.205 172.67.192.55 2606:4700:3033::6815:41cd 2606:4700:3033::ac43:c037 (AS13335) www.404.dk: 104.21.65.205 172.67.192.55 2606:4700:3033::6815:41cd 2606:4700:3033::ac43:c037 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 63ms

Service / Owner	Type	Cert association
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.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.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.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#

57ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2414852018
Primary NS (MNAME)	brenda.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 08:38:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-06-04
Expires	2027-06-03 (229d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

29ms

AAAA

21ms

TXT

169ms

CAA

37ms

HTTPS

38ms

TLSA

63ms

SOA

27ms

MTA-STS

48ms

DNSSEC

57ms

SRV

49ms

Total

633ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 00:48:48	1567ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-04 02:22:52 shown	633ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-15 08:53:24	2092ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-14 02:16:42	1820ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-08 06:14:06	2116ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-08 22:05:46	1918ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-02 19:04:10	1631ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-13 19:12:51	9825ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-30 17:02:12	1020ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 12:37:15	1113ms	2 NS 2 A 3 MX	🔓 Insecure