--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5963529670 dns-udp-queries-received-ipv6: 1950756348 dns-tcp-queries-received-ipv4: 358926387 dns-tcp-queries-received-ipv6: 57777269 dns-udp-responses-sent-ipv4: 5584905717 dns-udp-responses-sent-ipv6: 1943357706 dns-tcp-responses-sent-ipv4: 281876236 dns-tcp-responses-sent-ipv6: 56638128