CF1757326889688-tsm20250907181809

WWW.RTSAK.COM - open.ch

Search for IP or hostnames:

open.ch checked at 2025-09-08T10:21:29.668Z 533ms 102/102/102 100% R:19

`open.ch`

	MX	`mx1.open.ch`
			A	213.156.227.108^{🇨🇭 Open Systems AG}
				PTR	`mx1.open.ch`
	MX	`mx2.open.ch`
			A	213.156.239.108^{🇨🇭 Open Systems AG}
				PTR	`mx2.open.ch`
	NS	`ns-cloud-c1.googledomains.com`
			A	2001:4860:4802:32::6c ^{🇺🇸 Google}
				PTR	`ns-cloud-c1.googledomains.com`
			A	216.239.32.108^{🇺🇸 Google}
				PTR	`ns-cloud-c1.googledomains.com`
	NS	`ns-cloud-c2.googledomains.com`
			A	2001:4860:4802:34::6c ^{🇺🇸 Google}
				PTR	`ns-cloud-c2.googledomains.com`
			A	216.239.34.108^{🇺🇸 Google}
				PTR	`ns-cloud-c2.googledomains.com`
	NS	`ns-cloud-c3.googledomains.com`
			A	2001:4860:4802:36::6c ^{🇺🇸 Google}
				PTR	`ns-cloud-c3.googledomains.com`
			A	216.239.36.108^{🇺🇸 Google}
				PTR	`ns-cloud-c3.googledomains.com`
	NS	`ns-cloud-c4.googledomains.com`
			A	2001:4860:4802:38::6c ^{🇺🇸 Google}
				PTR	`ns-cloud-c4.googledomains.com`
			A	216.239.38.108^{🇺🇸 Google}
				PTR	`ns-cloud-c4.googledomains.com`
	A	141.193.213.20^{🇺🇸 Cloudflare London}
	A	141.193.213.21^{🇺🇸 Cloudflare London}

`ch`

	NS	`a.nic.ch`
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`

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AI analysis

Host names mx501.open.ch, asa-f150-main.open.ch, asa-tix-main.open.ch, adns3.open.ch, mx1.open.ch and others fall under the parent open.ch.

open.ch is configured to point to two IP addresses: 141.193.213.20 and 141.193.213.21.

IP numbers are shared between open.ch and other host names such as opticalphusion.com, 83rhhu2mrxd1.wpeproxy.com, columbiafestival.org, www.hoaladental.com, and northatlantachiropractic.com.

Four name servers, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com, are delegated to open.ch.

The name servers of open.ch are at least partially shared with other domains such as hollyfiock.com, yayoigroup.jp, brightlightpartners.com, clingen.app, and youndle.com.

ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, and ns-cloud-c4.googledomains.com each point to two IP numbers: 2001:4860:4802:32::6c and 216.239.32.108, 2001:4860:4802:34::6c and 216.239.34.108, 2001:4860:4802:36::6c and 216.239.36.108, 2001:4860:4802:38::6c and 216.239.38.108 respectively.

Two mail servers, mx1.open.ch and mx2.open.ch, manage open.ch.

Just like the domains open-systems.com and opensystems.ch, open.ch also uses the same mail server setup.

mx1.open.ch and mx2.open.ch both point to different IP numbers. 213.156.227.108 and 213.156.239.108 respectively.

dbq

QRKFLrI CF johedugfp 2025-09-08