--- a/net/dns/host_resolver_impl.cc 2017-10-04 18:07:45.000000000 -0400 +++ b/net/dns/host_resolver_impl.cc 2017-10-08 19:25:10.374699513 -0400 @@ -107,10 +107,10 @@ // cached. const int kIPv6ProbePeriodMs = 1000; -// Google DNS address used for IPv6 probes. +/* RIPE NCC k.root-servers.net. 2001:7fd::1 (anycasted) */ const uint8_t kIPv6ProbeAddress[] = - { 0x20, 0x01, 0x48, 0x60, 0x48, 0x60, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x88 }; + { 0x20, 0x01, 0x07, 0xfd, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }; // We use a separate histogram name for each platform to facilitate the // display of error codes by their symbolic name (since each platform has