---
service: a.root-servers.net
start-period: '2015-09-21T00:00:00Z'
end-period: '2015-09-21T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 4421511343
dns-udp-queries-received-ipv6: 273236360
dns-tcp-queries-received-ipv4: 21228677
dns-tcp-queries-received-ipv6: 8868209
dns-udp-responses-sent-ipv4: 4448790362
dns-udp-responses-sent-ipv6: 274539631
dns-tcp-responses-sent-ipv4: 17944941
dns-tcp-responses-sent-ipv6: 7225025