--- version: rssac002v4 service: a.root-servers.net start-period: '2022-03-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5298589027 dns-udp-queries-received-ipv6: 1408298625 dns-tcp-queries-received-ipv4: 291441547 dns-tcp-queries-received-ipv6: 59387347 dns-udp-responses-sent-ipv4: 5477360793 dns-udp-responses-sent-ipv6: 1432808571 dns-tcp-responses-sent-ipv4: 288673736 dns-tcp-responses-sent-ipv6: 59432384