---
service: a.root-servers.net
start-period: '2015-12-20T00:00:00Z'
end-period: '2015-12-20T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 2725633704
dns-udp-queries-received-ipv6: 152516512
dns-tcp-queries-received-ipv4: 24020769
dns-tcp-queries-received-ipv6: 1053948
dns-udp-responses-sent-ipv4: 2730546758
dns-udp-responses-sent-ipv6: 152592294
dns-tcp-responses-sent-ipv4: 20719917
dns-tcp-responses-sent-ipv6: 133108