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Accepted
Iain Hallam
Asked: 2012-09-19 05:33:38 +0800 CST

Can a DNS wildcard only be the leftmost part of a record?

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I'm using TinyDNS, and have successfully used wildcard records of the form:

+*.<domain>:<ip>

(+ for A records.)

Can I also use:

+development.*.<domain>:<ip>

?

My intention is for all subdomains to have their development website point to our dev machine in one rule.

domain-name-system wildcard wildcard-subdomain tinydns

1 Answers

  1. Best Answer

    Wildcard DNS records have a single "*" (asterisk) as the leftmost DNS label, such as *.domain.com. Asterisks at other places in the domain will not work as a wildcard, so neither *development.domain.com nor development.*.domain.com work as wildcard DNS records.

    Source: Wikipedia

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