--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7158860661 dns-udp-queries-received-ipv6: 1107114338 dns-tcp-queries-received-ipv4: 588461928 dns-tcp-queries-received-ipv6: 162115279 dns-udp-responses-sent-ipv4: 5229510803 dns-udp-responses-sent-ipv6: 810456928 dns-tcp-responses-sent-ipv4: 505257759 dns-tcp-responses-sent-ipv6: 133610514