--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 90296312 dns-udp-queries-received-ipv6: 21248699 dns-tcp-queries-received-ipv4: 1752948 dns-tcp-queries-received-ipv6: 44422 dns-udp-responses-sent-ipv4: 94448600 dns-udp-responses-sent-ipv6: 21248698 dns-tcp-responses-sent-ipv4: 1783500 dns-tcp-responses-sent-ipv6: 44462