--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7107968651 dns-udp-queries-received-ipv6: 1264523470 dns-tcp-queries-received-ipv4: 626631778 dns-tcp-queries-received-ipv6: 73233154 dns-udp-responses-sent-ipv4: 6505396530 dns-udp-responses-sent-ipv6: 1222454263 dns-tcp-responses-sent-ipv4: 438320286 dns-tcp-responses-sent-ipv6: 54219277