--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5728978755 dns-udp-queries-received-ipv6: 1945165063 dns-tcp-queries-received-ipv4: 391752284 dns-tcp-queries-received-ipv6: 105339364 dns-udp-responses-sent-ipv4: 5454039848 dns-udp-responses-sent-ipv6: 1937940669 dns-tcp-responses-sent-ipv4: 328578293 dns-tcp-responses-sent-ipv6: 103420805