CF1763544503528-tsm20251116095642

WWW.RTSAK.COM - mailfw1.opentec.ch

Search for IP or hostnames:

mailfw1.opentec.ch checked at 2025-11-19T09:28:23.412Z 909ms 67/67/67 100% R:10 allDone:true timedOut:false

mailfw1.opentec.ch

CNAMEmx1.trendhosting-net.ch
A2a01:4a0:12::181 🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch
A2a01:4a0:12::182 🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch
A2a01:4a0:12::183 🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch
A2a01:4a0:12::184 🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch
A82.199.159.181🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch
A82.199.159.182🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch
A82.199.159.183🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch
A82.199.159.184🇩🇪 CORE-BACKBONE
PTRmx1.trendhosting-net.ch

opentec.ch

MXmailfw1.opentec.ch
MXmailfw2.opentec.ch
NSns1.webland.ch
NSns2.webland.ch
NSns3.webland.ch
NSns4.webland.ch
A92.43.216.121🇨🇭 Webland

MX for

AI analysis

mailfw1.opentec.ch is the mail server for opentec.ch.

mailfw2.opentec.ch is a common mail server alongside mailfw1.opentec.ch.

Eight IP numbers are pointed to by mailfw1.opentec.ch: 2a01:4a0:12::181, 2a01:4a0:12::182, 2a01:4a0:12::183, 2a01:4a0:12::184, 82.199.159.181, 82.199.159.182, 82.199.159.183 and 82.199.159.184.

Other host names, for instance mx1.trendhosting-net.ch, share IP numbers with mailfw1.opentec.ch.

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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