--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5575885575 dns-udp-queries-received-ipv6: 1703759528 dns-tcp-queries-received-ipv4: 380444552 dns-tcp-queries-received-ipv6: 69561622 dns-udp-responses-sent-ipv4: 5275579509 dns-udp-responses-sent-ipv6: 1702313468 dns-tcp-responses-sent-ipv4: 301439631 dns-tcp-responses-sent-ipv6: 69557055