--- version: rssac002v3 service: a.root-servers.net start-period: '2018-09-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4273106072 dns-udp-queries-received-ipv6: 654479199 dns-tcp-queries-received-ipv4: 126780136 dns-tcp-queries-received-ipv6: 25342734 dns-udp-responses-sent-ipv4: 4154411275 dns-udp-responses-sent-ipv6: 654172140 dns-tcp-responses-sent-ipv4: 122815215 dns-tcp-responses-sent-ipv6: 25372506