experimentum.dk

📜 Historical scan 2026-06-21 06:53:02 · ← 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 66ms

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	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 136ms

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 65ms

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 104ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:9000:215d:4600:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:4e00:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:7400:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:8600:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:d800:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:e00:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:e600:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:f600:0:9f7:cf00:93a1	60s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—

🔐 HTTPS Records#

1 records 111ms

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 2197ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

260ms

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	2407425087
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#

66ms

136ms

65ms

AAAA

104ms

TXT

429ms

CAA

72ms

HTTPS

111ms

TLSA

2197ms

SOA

0ms

MTA-STS

76ms

DNSSEC

260ms

SRV

110ms

Total

3564ms

🕐 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	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 shown	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