--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6026769102 dns-udp-queries-received-ipv6: 715219857 dns-tcp-queries-received-ipv4: 122451552 dns-tcp-queries-received-ipv6: 13631161 dns-udp-responses-sent-ipv4: 6145873350 dns-udp-responses-sent-ipv6: 715236640 dns-tcp-responses-sent-ipv4: 120930669 dns-tcp-responses-sent-ipv6: 13683723