--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5050997527 dns-udp-queries-received-ipv6: 654166697 dns-tcp-queries-received-ipv4: 71809679 dns-tcp-queries-received-ipv6: 7615619 dns-udp-responses-sent-ipv4: 5069027345 dns-udp-responses-sent-ipv6: 654019344 dns-tcp-responses-sent-ipv4: 72214838 dns-tcp-responses-sent-ipv6: 7778663