--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5100096172 dns-udp-queries-received-ipv6: 701378571 dns-tcp-queries-received-ipv4: 119635312 dns-tcp-queries-received-ipv6: 13088192 dns-udp-responses-sent-ipv4: 5154108014 dns-udp-responses-sent-ipv6: 696125436 dns-tcp-responses-sent-ipv4: 117986959 dns-tcp-responses-sent-ipv6: 12928047