experimentum.dk

📜 Historical scan 2026-08-19 06:28:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

experimentum.dk is a .dk domain served by 2 nameservers (buck.ns.cloudflare.com, dawn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 143.204.238.120 is hosted by Amazon.com, Inc. (AS16509) in United States. 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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
buck.ns.cloudflare.com	108.162.193.78 172.64.33.78 173.245.59.78 2606:4700:58::adf5:3b4e 2803:f800:50::6ca2:c14e 2a06:98c1:50::ac40:214e	buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com buck.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dawn.ns.cloudflare.com	108.162.192.106 172.64.32.106 173.245.58.106 2606:4700:50::adf5:3a6a 2803:f800:50::6ca2:c06a 2a06:98c1:50::ac40:206a	dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

4 records 286ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
143.204.238.120	60s	server-143-204-238-120.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 United States	—
143.204.238.2	60s	server-143-204-238-2.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 United States	—
143.204.238.41	60s	server-143-204-238-41.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 United States	—
143.204.238.86	60s	server-143-204-238-86.arn53.r.cloudfront.net	AS16509	Amazon.com, Inc.	143.204.224.0/20	🇺🇸 United States	—

📧 MX Records#

4 records 44ms

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)#

8 records 117ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:9000:28e5:5800:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:600:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:7000:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:7200:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:800:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:8200:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:9200:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:28e5:d000:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—

🔐 HTTPS Records#

1 records 137ms

Priority	Target	SvcParams
1 service	.	alpn="h2,h3"

📝 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 2026-10-13 23:33:18

www	104.21.69.141 172.67.209.29 2606:4700:3031::6815:458d 2606:4700:3034::ac43:d11d (AS13335) (address records, no CNAME)
www vs bare domain	Different networks experimentum.dk: 65.9.106.106 65.9.106.114 65.9.106.38 65.9.106.62 (AS16509) www.experimentum.dk: 104.21.69.141 172.67.209.29 2606:4700:3031::6815:458d 2606:4700:3034::ac43:d11d (AS13335) (all like this)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.experimentum.dk	experimentum.dk.acme.webpod13-cph3.one.com

🔗 TLSA / DANE#

4 records 284ms

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#

134ms

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	2412534249
Primary NS (MNAME)	buck.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#

53ms

286ms

44ms

AAAA

117ms

TXT

243ms

CAA

38ms

HTTPS

137ms

TLSA

284ms

SOA

0ms

MTA-STS

65ms

DNSSEC

134ms

SRV

74ms

Total

2659ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 11:33:37	725ms	2 NS 4 A 4 MX	🔓 Insecure
2026-09-25 13:07:24	1945ms	2 NS 4 A 4 MX	🔓 Insecure
2026-09-24 13:01:02	1033ms	2 NS 4 A 4 MX	🔓 Insecure
2026-09-15 19:45:32	13804ms	2 NS 4 A 4 MX	🔓 Insecure
2026-08-26 11:29:30	10117ms	2 NS 4 A 4 MX	🔓 Insecure
2026-08-23 10:01:28	9458ms	2 NS 4 A 4 MX	🔓 Insecure
2026-08-19 06:28:03 shown	2659ms	2 NS 4 A 4 MX	🔓 Insecure
2026-07-28 09:00:57	18880ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-26 08:47:13	1355ms	2 NS 4 A 4 MX	🔓 Insecure
2026-06-21 18:29:16	1099ms	2 NS 4 A 4 MX	🔓 Insecure
2026-06-21 06:53:02	3564ms	2 NS 4 A 4 MX	🔓 Insecure
2026-06-20 01:05:42	1838ms	2 NS 4 A 4 MX	🔓 Insecure
2026-06-17 09:09:33	2238ms	2 NS 4 A 4 MX	🔓 Insecure