--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4938001439 dns-udp-queries-received-ipv6: 643033912 dns-tcp-queries-received-ipv4: 54708959 dns-tcp-queries-received-ipv6: 7653066 dns-udp-responses-sent-ipv4: 4919244440 dns-udp-responses-sent-ipv6: 643458761 dns-tcp-responses-sent-ipv4: 55017104 dns-tcp-responses-sent-ipv6: 7741908