CF1763515123901-tsm20251116095642

WWW.ROBTEX.COM - www.optional.is

Search for IP or hostnames:

www.optional.is checked at 2025-11-19T01:18:43.876Z 449ms 75/75/75 100% R:12 allDone:true timedOut:false

www.optional.is

MXmx1.de.opalstack.com
A2a01:7e01:e001:856::1🇩🇪 AKAMAI-LINODE-AP
PTRmx1.de.opalstack.com
A139.162.189.90🇩🇪 AKAMAI-LINODE-AP
PTRmx1.de.opalstack.com
MXmx2.de.opalstack.com
A178.162.221.165🇩🇪 LEASEWEB-DE-FRA-10
PTRmx2.de.opalstack.com
A178.162.201.225🇩🇪 LEASEWEB-DE-FRA-10
PTRopal11.opalstack.com

optional.is

MXmx1.de.opalstack.com
MXmx2.de.opalstack.com
NSns1.de.opalstack.com
NSns2.de.opalstack.com
NSns3.de.opalstack.com
A178.162.201.225🇩🇪 LEASEWEB-DE-FRA-10

Starts with same word

Starts similarily

AI analysis

www.optional.is points to a single IP: 178.162.201.225.

Other host names, for instance opal11.opalstack.com, aaronwilliamson.org, oepak.or.at, baltutautas.lv and mgp.cc share IP numbers with www.optional.is.

www.optional.is is handled by two mail servers: mx1.de.opalstack.com and mx2.de.opalstack.com.

www.optional.is has the same mail server setup as other domains, including bewe.me, automoveis-online.com, webmail.us.opalstack.com, dottoressalongobucco.it and vps276.opalstack.com.

Some mail servers are shared between www.optional.is and other domains, for example agnonhouse.org.il.

Host names with two IP numbers:

The host name mx1.de.opalstack.com points to 2a01:7e01:e001:856::1 and 139.162.189.90.

Host names with one IP number:

The host name mx2.de.opalstack.com points to 178.162.221.165.

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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