---
service: a.root-servers.net
start-period: '2015-12-21T00:00:00Z'
end-period: '2015-12-21T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 2968233335
dns-udp-queries-received-ipv6: 166170787
dns-tcp-queries-received-ipv4: 26482602
dns-tcp-queries-received-ipv6: 1223429
dns-udp-responses-sent-ipv4: 2989490222
dns-udp-responses-sent-ipv6: 163698975
dns-tcp-responses-sent-ipv4: 22729218
dns-tcp-responses-sent-ipv6: 132737