---
service: a.root-servers.net
start-period: '2015-07-21T00:00:00Z'
end-period: '2015-07-21T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 5387700708
dns-udp-queries-received-ipv6: 294214264
dns-tcp-queries-received-ipv4: 19726225
dns-tcp-queries-received-ipv6: 11678465
dns-udp-responses-sent-ipv4: 4650971519
dns-udp-responses-sent-ipv6: 296139202
dns-tcp-responses-sent-ipv4: 16837209
dns-tcp-responses-sent-ipv6: 8969403