--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6765140679 dns-udp-queries-received-ipv6: 1171121297 dns-tcp-queries-received-ipv4: 440114244 dns-tcp-queries-received-ipv6: 101037241 dns-udp-responses-sent-ipv4: 6469691848 dns-udp-responses-sent-ipv6: 1108584962 dns-tcp-responses-sent-ipv4: 338360074 dns-tcp-responses-sent-ipv6: 71370188