--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5073429052 dns-udp-queries-received-ipv6: 649546810 dns-tcp-queries-received-ipv4: 93404873 dns-tcp-queries-received-ipv6: 13862376 dns-udp-responses-sent-ipv4: 5087426944 dns-udp-responses-sent-ipv6: 644348023 dns-tcp-responses-sent-ipv4: 93993768 dns-tcp-responses-sent-ipv6: 13960379