DXR will be turned off on Tuesday, December 29th. It will redirect to Searchfox.
See the announcement on Discourse.

DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Name Description Modified (UTC) Size
AppProtocolHandler.js 6.0 kB
AppProtocolHandler.manifest 183 Bytes
moz.build 396 Bytes