---
service: a.root-servers.net
start-period: '2015-05-21T00:00:00Z'
end-period: '2015-05-21T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 3686468035
dns-udp-queries-received-ipv6: 235582374
dns-tcp-queries-received-ipv4: 20727619
dns-tcp-queries-received-ipv6: 3076185
dns-udp-responses-sent-ipv4: 3720056475
dns-udp-responses-sent-ipv6: 238881532
dns-tcp-responses-sent-ipv4: 17861912
dns-tcp-responses-sent-ipv6: 1626098