--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5538510090 dns-udp-queries-received-ipv6: 860718932 dns-tcp-queries-received-ipv4: 138761408 dns-tcp-queries-received-ipv6: 15290092 dns-udp-responses-sent-ipv4: 5523564817 dns-udp-responses-sent-ipv6: 861145825 dns-tcp-responses-sent-ipv4: 135507935 dns-tcp-responses-sent-ipv6: 15164308