WWW.ROBTEX.COM - open.ch

Search for IP or hostnames:

open.ch checked at 2025-11-03T14:12:19.132Z 299ms 162/162/162 100% R:16

`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^{🇺🇸 CLOUDFLARESPECTRUM}
A	141.193.213.21^{🇺🇸 CLOUDFLARESPECTRUM}

`ch`

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

Up

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AI analysis

open.ch is the parent of mx501.open.ch, asa-f150-main.open.ch, asa-tix-main.open.ch, adns3.open.ch, mx1.open.ch and a few other host names.

open.ch points to two IPs: 141.193.213.20 and 141.193.213.21.

Other host names, for instance opticalphusion.com, 83rhhu2mrxd1.wpeproxy.com, columbiafestival.org, www.hoaladental.com and northatlantachiropractic.com share IP numbers with open.ch.

open.ch is delegated to four name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

open.ch at least partially shares name servers with other domains such as hollyfiock.com, yayoigroup.jp, brightlightpartners.com, clingen.app and truroo.com.

Host names with two IP numbers:

ns-cloud-c1.googledomains.com points to 2001:4860:4802:32::6c and 216.239.32.108

ns-cloud-c2.googledomains.com points to 2001:4860:4802:34::6c and 216.239.34.108

ns-cloud-c3.googledomains.com points to 2001:4860:4802:36::6c and 216.239.36.108

ns-cloud-c4.googledomains.com points to 2001:4860:4802:38::6c and 216.239.38.108

Two mail servers handle open.ch: mx1.open.ch and mx2.open.ch.

open.ch uses the same mail server setup as other domains, for instance open-systems.com and opensystems.ch.

Host names with a single IP address:

mx1.open.ch points to 213.156.227.108

mx2.open.ch points to 213.156.239.108

dbq