--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4699288220 dns-udp-queries-received-ipv6: 525319693 dns-tcp-queries-received-ipv4: 24397087 dns-tcp-queries-received-ipv6: 1087745 dns-udp-responses-sent-ipv4: 4638443061 dns-udp-responses-sent-ipv6: 524614458 dns-tcp-responses-sent-ipv4: 24642322 dns-tcp-responses-sent-ipv6: 1092990