--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5300804479 dns-udp-queries-received-ipv6: 653583189 dns-tcp-queries-received-ipv4: 107178373 dns-tcp-queries-received-ipv6: 13037181 dns-udp-responses-sent-ipv4: 5357994112 dns-udp-responses-sent-ipv6: 650758818 dns-tcp-responses-sent-ipv4: 107784596 dns-tcp-responses-sent-ipv6: 13174431