Wildcards match only one label

[Siva Kesava R Kakarla]

Hello,

Wildcards can match not only one label but multiple whole labels (RFC 1034). Trust-DNS accepts wildcard records but matches only one label.

Consider the following example:

example.com.	500	SOA	ns1.outside.com. root.example.com. 3 604800 86400 2419200 604800
example.com.	500	NS	ns1.outside.com.
*example.com.	500	A	1.1.1.1

For queries of the kind, <something.example.com., A>, the server returns the A record. But if the query has more than one label before example.com, then the A record is not returned; instead, an NXDOMAIN is returned. Wildcards are pervasive in DNS - Surveying DNS Wildcard Usage Among the Good, the Bad, and the Ugly.

[Benjamin Fry]

Thanks for the report. This should be fixable, but will need some attention to detail as it's going to require changing lookup logic in the zones, etc.