--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7369552700 dns-udp-queries-received-ipv6: 1199224406 dns-tcp-queries-received-ipv4: 662936088 dns-tcp-queries-received-ipv6: 75546132 dns-udp-responses-sent-ipv4: 6774480500 dns-udp-responses-sent-ipv6: 1155142639 dns-tcp-responses-sent-ipv4: 470297575 dns-tcp-responses-sent-ipv6: 55503797