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I have four servers working with a private web app:

  • g****.example.com with all profiles starting with g ( g1001, g1002, g1002 ..)
  • m*****.example.com with all profiles starting with m (m1001 ...)
  • s****.example.com ( s1001 ....)
  • t****.example.com (t1001... )

i d like to setup dns record for my domain using a wildcar of some sorts: there is a way to setup a dns A record to something like

  • g*.example.com 138.1.1.1
  • m*.example.com 139.1.1.1 ....

thanks

F.

Francesco Meloni
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1 Answers1

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This will not work, see section 2.1.2 of RFC 4592:

"Labels such as 'the*' and '**' are not asterisk labels, so these labels do not start wildcard domain names."

What you are looking for is most probably a load balancer like e.g. HAProxy

digijay
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    To be strictly pedantic, the OP could do what he is looking for by running his own DNS server (quite possibly as in his own software, not just his instance). But +1 for HAProxy, combined with a real wildcard on the domain, this would be the *much* easier solution. – Ginnungagap Nov 08 '21 at 00:24