--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5498464875 dns-udp-queries-received-ipv6: 1766140852 dns-tcp-queries-received-ipv4: 390155305 dns-tcp-queries-received-ipv6: 76444283 dns-udp-responses-sent-ipv4: 5261045477 dns-udp-responses-sent-ipv6: 1762307467 dns-tcp-responses-sent-ipv4: 339474545 dns-tcp-responses-sent-ipv6: 75931780