keystoneaudio.dk

📜 Historical scan 2026-09-17 23:42:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

keystoneaudio.dk is a .dk domain served by 2 nameservers (anderson.ns.cloudflare.com, beth.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.249 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
anderson.ns.cloudflare.com	108.162.195.177 162.159.44.177 172.64.35.177 2606:4700:58::a29f:2cb1 2803:f800:50::6ca2:c3b1 2a06:98c1:50::ac40:23b1	anderson.ns.cloudflare.com anderson.ns.cloudflare.com anderson.ns.cloudflare.com anderson.ns.cloudflare.com anderson.ns.cloudflare.com anderson.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
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.

🌍 A Records#

2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.249	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.154.125	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:31f9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9a7d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.249,172.67.154.125 ech=AEX+DQBBHgAgACDd9KatuL2tGiOuJRRk6zOD/bssl7I8aStFT+E9AJRqFAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:31f9,2606:4700:3037::ac43:9a7d

📝 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 2026-10-09 01:44:11

www	NXDOMAIN
www vs bare domain	www does not resolve keystoneaudio.dk: 104.21.49.249 172.67.154.125 2606:4700:3034::6815:31f9 2606:4700:3037::ac43:9a7d (AS13335) www.keystoneaudio.dk: no address (all like this)
Wildcard	No

🔗 TLSA / DANE#

2 records 56ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

118ms

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	2414863061
Primary NS (MNAME)	anderson.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#

38ms

34ms

36ms

AAAA

34ms

TXT

157ms

CAA

35ms

HTTPS

30ms

TLSA

56ms

SOA

0ms

MTA-STS

56ms

DNSSEC

118ms

SRV

62ms

Total

723ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 01:44:11	2341ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 09:38:40	1157ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 23:42:41 shown	723ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 10:02:33	589ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-01 08:53:39	9542ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 15:52:47	1066ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 12:53:13	1131ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 07:45:01	8127ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 04:37:54	1536ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 21:22:35	3894ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 03:28:34	8867ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 07:50:03	10008ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 11:21:34	927ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 15:36:24	2586ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 04:58:04	1141ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 23:40:03	848ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:12:08	991ms	2 NS 2 A 1 MX	🔓 Insecure