---
service: a.root-servers.net
start-period: '2015-11-21T00:00:00Z'
end-period: '2015-11-21T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 3040373303
dns-udp-queries-received-ipv6: 265085539
dns-tcp-queries-received-ipv4: 19715559
dns-tcp-queries-received-ipv6: 1510233
dns-udp-responses-sent-ipv4: 3030109350
dns-udp-responses-sent-ipv6: 264804667
dns-tcp-responses-sent-ipv4: 15612410
dns-tcp-responses-sent-ipv6: 262300