From: Jan Engelhardt Date: Mon, 15 Sep 2014 10:58:42 +0200 Subject: dns: send IPv6 connectivity probes to RIPE DNS Short of disabling the code (we may do that in a subsequent patch anyway), avoid sending to Google. Increase probe period from 1s to 15s License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html --- net/dns/host_resolver_manager.cc | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/net/dns/host_resolver_manager.cc b/net/dns/host_resolver_manager.cc --- a/net/dns/host_resolver_manager.cc +++ b/net/dns/host_resolver_manager.cc @@ -156,12 +156,12 @@ const unsigned kMinimumTTLSeconds = kCacheEntryTTLSeconds; // Time between IPv6 probes, i.e. for how long results of each IPv6 probe are // cached. -const int kIPv6ProbePeriodMs = 1000; +const int kIPv6ProbePeriodMs = 15000; -// Google DNS address used for IPv6 probes. -const uint8_t kIPv6ProbeAddress[] = {0x20, 0x01, 0x48, 0x60, 0x48, 0x60, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x88, 0x88}; +// RIPE NCC k.root-servers.net. 2001:7fd::1 (anycasted) +const uint8_t kIPv6ProbeAddress[] = + { 0x20, 0x01, 0x07, 0xfd, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }; // ICANN uses this localhost address to indicate a name collision. // -- 2.25.1