--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6782798365 dns-udp-queries-received-ipv6: 1430497824 dns-tcp-queries-received-ipv4: 785872260 dns-tcp-queries-received-ipv6: 218950965 dns-udp-responses-sent-ipv4: 5235592669 dns-udp-responses-sent-ipv6: 1069619547 dns-tcp-responses-sent-ipv4: 680581995 dns-tcp-responses-sent-ipv6: 202291528