--- version: rssac002v3 service: i.root-servers.net start-period: '2018-08-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5516120762 dns-udp-queries-received-ipv6: 1001726633 dns-tcp-queries-received-ipv4: 133006779 dns-tcp-queries-received-ipv6: 25461292 dns-udp-responses-sent-ipv4: 5496657230 dns-udp-responses-sent-ipv6: 1000402793 dns-tcp-responses-sent-ipv4: 129815443 dns-tcp-responses-sent-ipv6: 25015372