--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6008729425 dns-udp-queries-received-ipv6: 768870892 dns-tcp-queries-received-ipv4: 122488201 dns-tcp-queries-received-ipv6: 14267862 dns-udp-responses-sent-ipv4: 6009540516 dns-udp-responses-sent-ipv6: 765828707 dns-tcp-responses-sent-ipv4: 121147036 dns-tcp-responses-sent-ipv6: 14301872