NAPTR Catch-all

[Florian Weimer]

> 7.7.7.5.2.1.4.4.9.9.8.1.2.    IN    NAPTR    100    10    "u" "E2U+sip"    "!(^.*$)!sip:2799820784000132" .    ; Testing

This isn't a wildcard, so it will not match as a wildcard.

Can you provide a few example RRs which you want to synthesize using
wildcards?  It's not clear (to me at least) what you're trying to do.
There is a good chance that you have to change the regexp part of the
NAPTR record.