squid config: try ipv4 lookups first to speed things up

Signed-off-by: Holger Levsen <holger@layer-acht.org>

hosts/codethink16-arm64/etc/squid/squid.conf

@@ -7604,7 +7604,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/ionos1-amd64/etc/squid/squid.conf

@@ -7610,7 +7610,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/ionos10-amd64/etc/squid/squid.conf

@@ -7611,7 +7611,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl167-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl168-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl169-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl170-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl171-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl172-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl173-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.

hosts/osuosl174-amd64/etc/squid/squid.conf

@@ -7605,7 +7605,7 @@ refresh_pattern .		0	20%	4320
 #	  connectivity is used (and tested), potentially hiding network
 #	  problems which would otherwise be detected and warned about.
 #Default:
-# dns_v4_first off
+dns_v4_first on
 
 #  TAG: ipcache_size	(number of entries)
 #	Maximum number of DNS IP cache entries.