MEMO
Prepare a SQLite file for each target domain to handle huge numbers of redirections.
$ sqlite3 hoge.example.com.db < sql.sql
$ sqlite3 hoge.example.com.db < hoge.sql
$ sqlite3 foo.example.com.db < sql.sql
$ sqlite3 foo.example.com.db < foo.sql
$ sqlite3 bar.example.com.db < sql.sql
$ sqlite3 bar.example.com.db < bar.sql