CF1758145647740-tsm20250915222102

NSLIST.NET - open.ch

Search for IP or hostnames:

open.ch checked at 2025-09-17T21:47:27.696Z 265ms 102/102/102 100% R:15

open.ch

MXmx1.open.ch
A213.156.227.108🇨🇭 Open Systems AG
PTRmx1.open.ch
MXmx2.open.ch
A213.156.239.108🇨🇭 Open Systems AG
PTRmx2.open.ch
NSns-cloud-c1.googledomains.com
A2001:4860:4802:32::6c 🇺🇸 Google
PTRns-cloud-c1.googledomains.com
A216.239.32.108🇺🇸 Google
PTRns-cloud-c1.googledomains.com
NSns-cloud-c2.googledomains.com
A2001:4860:4802:34::6c 🇺🇸 Google
PTRns-cloud-c2.googledomains.com
A216.239.34.108🇺🇸 Google
PTRns-cloud-c2.googledomains.com
NSns-cloud-c3.googledomains.com
A2001:4860:4802:36::6c 🇺🇸 Google
PTRns-cloud-c3.googledomains.com
A216.239.36.108🇺🇸 Google
PTRns-cloud-c3.googledomains.com
NSns-cloud-c4.googledomains.com
A2001:4860:4802:38::6c 🇺🇸 Google
PTRns-cloud-c4.googledomains.com
A216.239.38.108🇺🇸 Google
PTRns-cloud-c4.googledomains.com
A141.193.213.20🇺🇸 Cloudflare London
A141.193.213.21🇺🇸 Cloudflare London

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NSa.nic.ch
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch

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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 resolves to two IP numbers: 141.193.213.20 and 141.193.213.21.

other host names including 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, for instance 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 shares its mail server setup with other domains, including open-systems.com and opensystems.ch.

Host names with one IP number:

mx1.open.ch points to 213.156.227.108

mx2.open.ch points to 213.156.239.108

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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hrXcOaM CF johedugfp 2025-09-17