Wildcard SRV record?

Stephen Pape srpape at gmail.com
Mon Oct 31 16:35:30 UTC 2016

Hello all,

I have bind configured with a single TLD (.foo), and inside that are
records for a large number of subdomains (machine1.a.foo,
machine2.a.foo, machine1.b.foo, machine2.b.foo, etc.). DHCP clients
are assigned a domain based on some factors, but it might be a.foo,
b.foo, c.foo, etc.

I'm trying to add a SRV record for everyone under .foo. I've tried:

_vlmcs._tcp.*.foo.        IN      SRV     0 0 1688 ais-dc01.ainfosec.com.

... but it seems that wildcards don't work that way. I've tried
something similar with CNAMEs, but that didn't work either.

What DOES work is adding a CNAME record for each and every domain that
I need. So a CNAME for _vlmcs._tcp.a.foo, _vlmcs._tcp.b.foo, etc.

Is there a better way for me to do this, or do I have to generate a
whole lot of specific CNAME records?



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