--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5397164696 dns-udp-queries-received-ipv6: 718046576 dns-tcp-queries-received-ipv4: 122137941 dns-tcp-queries-received-ipv6: 17863367 dns-udp-responses-sent-ipv4: 5429656357 dns-udp-responses-sent-ipv6: 717867094 dns-tcp-responses-sent-ipv4: 119875717 dns-tcp-responses-sent-ipv6: 17850474