--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5710514882 dns-udp-queries-received-ipv6: 1860917065 dns-tcp-queries-received-ipv4: 367147808 dns-tcp-queries-received-ipv6: 51778292 dns-udp-responses-sent-ipv4: 5367593071 dns-udp-responses-sent-ipv6: 1854147034 dns-tcp-responses-sent-ipv4: 300037293 dns-tcp-responses-sent-ipv6: 51084189