--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5985888324 dns-udp-queries-received-ipv6: 1727622131 dns-tcp-queries-received-ipv4: 399407056 dns-tcp-queries-received-ipv6: 77026043 dns-udp-responses-sent-ipv4: 5674886619 dns-udp-responses-sent-ipv6: 1726086659 dns-tcp-responses-sent-ipv4: 321695416 dns-tcp-responses-sent-ipv6: 77033599