--- version: rssac002v3 service: i.root-servers.net start-period: '2018-08-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5154635166 dns-udp-queries-received-ipv6: 1020756503 dns-tcp-queries-received-ipv4: 125948629 dns-tcp-queries-received-ipv6: 23793982 dns-udp-responses-sent-ipv4: 5126324421 dns-udp-responses-sent-ipv6: 1019562204 dns-tcp-responses-sent-ipv4: 123032367 dns-tcp-responses-sent-ipv6: 23355069