--- version: rssac002v3 service: a.root-servers.net start-period: '2018-09-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4255527953 dns-udp-queries-received-ipv6: 698662141 dns-tcp-queries-received-ipv4: 118279597 dns-tcp-queries-received-ipv6: 25033146 dns-udp-responses-sent-ipv4: 4138533793 dns-udp-responses-sent-ipv6: 698394928 dns-tcp-responses-sent-ipv4: 116065259 dns-tcp-responses-sent-ipv6: 25062471