280523.dk

📜 Historical scan 2026-08-31 17:50:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

280523.dk is a .dk domain served by 2 nameservers (eloise.ns.cloudflare.com, felipe.ns.cloudflare.com). It was registered on 3 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.148 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 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 144ms

Nameserver	IP addresses	PTR	ASN / ISP
eloise.ns.cloudflare.com	108.162.194.208 162.159.38.208 172.64.34.208 2606:4700:50::a29f:26d0 2803:f800:50::6ca2:c2d0 2a06:98c1:50::ac40:22d0	eloise.ns.cloudflare.com eloise.ns.cloudflare.com eloise.ns.cloudflare.com eloise.ns.cloudflare.com eloise.ns.cloudflare.com eloise.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
felipe.ns.cloudflare.com	108.162.195.116 162.159.44.116 172.64.35.116 2606:4700:58::a29f:2c74 2803:f800:50::6ca2:c374 2a06:98c1:50::ac40:2374	felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.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 141ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.148	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.188	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 78ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3b94	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b3bc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 138ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.59.148,172.67.179.188 ech=AEX+DQBBzAAgACDHpwnbqQRrQxFsGzA/yaOSD5TTc2/1Vd5JMCQghbIcfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3b94,2606:4700:3035::ac43:b3bc

📝 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 2026-10-12 12:52:22

www	104.21.59.148 172.67.179.188 2606:4700:3031::6815:3b94 2606:4700:3035::ac43:b3bc (AS13335) (address records, no CNAME)
www vs bare domain	Same network 280523.dk: 104.21.59.148 172.67.179.188 2606:4700:3031::6815:3b94 2606:4700:3035::ac43:b3bc (AS13335) www.280523.dk: 104.21.59.148 172.67.179.188 2606:4700:3031::6815:3b94 2606:4700:3035::ac43:b3bc (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.280523.dk	-x_AqHhtqM1yn8T8b-F_5lRClRe1e9y5V7I4EFwkmWc
TXT	_acme-challenge.280523.dk	yJDr6JrqGyIoXIN3BDwaby-hu5kHlQqa1-3Q7dzaMuQ

🔗 TLSA / DANE#

4 records 294ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC#

335ms

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	2413604249
Primary NS (MNAME)	eloise.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 05:55:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-02-03
Expires	2027-02-02 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

144ms

141ms

91ms

AAAA

78ms

TXT

415ms

CAA

64ms

HTTPS

138ms

TLSA

294ms

SOA

0ms

MTA-STS

190ms

DNSSEC

335ms

SRV

172ms

Total

2445ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 06:25:33	924ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-28 05:05:40	970ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-09 01:51:35	2817ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-31 17:50:41 shown	2445ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-24 12:01:35	3481ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-07 17:03:56	1835ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-11 20:58:03	1641ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-23 19:59:43	2666ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-23 16:37:06	1182ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:22:47	12650ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-16 13:13:05	1176ms	2 NS 2 A 4 MX	🔓 Insecure