--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5943601888 dns-udp-queries-received-ipv6: 1712178892 dns-tcp-queries-received-ipv4: 386114408 dns-tcp-queries-received-ipv6: 61300056 dns-udp-responses-sent-ipv4: 5654205606 dns-udp-responses-sent-ipv6: 1710657689 dns-tcp-responses-sent-ipv4: 315579461 dns-tcp-responses-sent-ipv6: 61305170