cm-installation.dk

📜 Historical scan 2026-06-28 10:46:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cm-installation.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 2 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.52 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.20	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.24.52
🔶 Autoconfig	104.21.24.52

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1834	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d914	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.52,172.67.217.20 ech=AEX+DQBBZgAgACABnsPV1yHpcp1Fnk1mT35mlNlW4oj2y60kJvbv6D0gIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1834,2606:4700:3036::ac43:d914

📝 TXT Records#

1 records 170ms

TXT Record
v=spf1 include:spf.onlinemail.io -all

✉️ SPF#

Policy	Record (cm-installation.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io -all

📨 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 23:11:11

www	104.21.24.52 172.67.217.20 2606:4700:3035::6815:1834 2606:4700:3035::ac43:d914 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cm-installation.dk: 104.21.24.52 172.67.217.20 2606:4700:3035::6815:1834 2606:4700:3035::ac43:d914 (AS13335) www.cm-installation.dk: 104.21.24.52 172.67.217.20 2606:4700:3035::6815:1834 2606:4700:3035::ac43:d914 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

81ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2406742242
Primary NS (MNAME)	gabriella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 23:39:29

Field	Value
Registrar	CURANET A/S
Registered	2022-02-02
Expires	2027-02-01 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

42ms

47ms

AAAA

45ms

TXT

170ms

CAA

33ms

HTTPS

47ms

TLSA

55ms

SOA

45ms

MTA-STS

49ms

DNSSEC

81ms

SRV

87ms

Total

840ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 23:11:11	1331ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-07 18:32:56	482ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 02:50:51	706ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 07:09:49	878ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-12 05:09:01	1328ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-22 10:18:43	9836ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-28 10:46:54 shown	840ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-16 21:25:36	2526ms	2 NS 2 A 2 MX	🔓 Insecure