Multi-level wildcard (catch-all) DNS setup *.*.domain.com => one IP/CNAME
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                Jan Rovner
            
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        Published on 2011-06-12T13:28:37Z
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dns
It is well known that it is possible to configure a DNS server to do a "catch-all" resolving on a single subdomain level, such as *.example.com. IN A x.x.x.x, so that anything.example.com maps to a single IP/CNAME.
However, I need to set up an at least "level-2" wildcard sub-subdomain catch-all wildcard system so that any.thing.example.com or better, item.of.any.level.under.example.com will be resolved to a single IP.
Has anyone got this working?
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