--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6806027910 dns-udp-queries-received-ipv6: 1388427662 dns-tcp-queries-received-ipv4: 213553538 dns-tcp-queries-received-ipv6: 41813165 dns-udp-responses-sent-ipv4: 6626934921 dns-udp-responses-sent-ipv6: 1387357782 dns-tcp-responses-sent-ipv4: 208952502 dns-tcp-responses-sent-ipv6: 43022182