--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4920412896 dns-udp-queries-received-ipv6: 700365839 dns-tcp-queries-received-ipv4: 176625678 dns-tcp-queries-received-ipv6: 26183746 dns-udp-responses-sent-ipv4: 4804202455 dns-udp-responses-sent-ipv6: 699933990 dns-tcp-responses-sent-ipv4: 169864893 dns-tcp-responses-sent-ipv6: 26297162