--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5060448341 dns-udp-queries-received-ipv6: 640426592 dns-tcp-queries-received-ipv4: 93356804 dns-tcp-queries-received-ipv6: 13636674 dns-udp-responses-sent-ipv4: 5068403836 dns-udp-responses-sent-ipv6: 635563140 dns-tcp-responses-sent-ipv4: 93935104 dns-tcp-responses-sent-ipv6: 13719464