mention db.XY.ipv6.clamav.net

etc/freshclam.conf

@@ -64,6 +64,7 @@ Example
 
 # Uncomment the following line and replace XY with your country
 # code. See http://www.iana.org/cctld/cctld-whois.htm for the full list.
+# You can use db.XY.ipv6.clamav.net for IPv6 connections.
 #DatabaseMirror db.XY.clamav.net
 
 # database.clamav.net is a round-robin record which points to our most 

shared/optparser.c

@@ -351,7 +351,7 @@ const struct clam_option __clam_options[] = {
 
     { "DNSDatabaseInfo", NULL, 0, TYPE_STRING, NULL, -1, "current.cvd.clamav.net", FLAG_REQUIRED, OPT_FRESHCLAM, "Use DNS to verify the virus database version. Freshclam uses DNS TXT records\nto verify the versions of the database and software itself. With this\ndirective you can change the database verification domain.\nWARNING: Please don't change it unless you're configuring freshclam to use\nyour own database verification domain.", "current.cvd.clamav.net" },
 
-    { "DatabaseMirror", NULL, 0, TYPE_STRING, NULL, -1, NULL, FLAG_MULTIPLE, OPT_FRESHCLAM, "DatabaseMirror specifies to which mirror(s) freshclam should connect.\nYou should have at least two entries: db.XY.clamav.net and\ndatabase.clamav.net (in this order). Please replace XY with your country\ncode (see http://www.iana.org/cctld/cctld-whois.htm). database.clamav.net\nis a round-robin record which points to our most reliable mirrors. It's used\nas a fall back in case db.XY.clamav.net is not working.", "db.XY.clamav.net\ndatabase.clamav.net" },
+    { "DatabaseMirror", NULL, 0, TYPE_STRING, NULL, -1, NULL, FLAG_MULTIPLE, OPT_FRESHCLAM, "DatabaseMirror specifies to which mirror(s) freshclam should connect.\nYou should have at least two entries: db.XY.clamav.net (or db.XY.ipv6.clamav.net\nfor IPv6) and database.clamav.net (in this order). Please replace XY with your\ncountry code (see http://www.iana.org/cctld/cctld-whois.htm).\ndatabase.clamav.net is a round-robin record which points to our most reliable\nmirrors. It's used as a fall back in case db.XY.clamav.net is not working.", "db.XY.clamav.net\ndatabase.clamav.net" },
 
     { "MaxAttempts", NULL, 0, TYPE_NUMBER, MATCH_NUMBER, 3, NULL, 0, OPT_FRESHCLAM, "This option defines how many attempts freshclam should make before giving up.", "5" },