--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8860294490 dns-udp-queries-received-ipv6: 1604254210 dns-tcp-queries-received-ipv4: 321456284 dns-tcp-queries-received-ipv6: 142312641 dns-udp-responses-sent-ipv4: 8598091320 dns-udp-responses-sent-ipv6: 1589760188 dns-tcp-responses-sent-ipv4: 316032787 dns-tcp-responses-sent-ipv6: 140418166