--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6146511745 dns-udp-queries-received-ipv6: 1445605927 dns-tcp-queries-received-ipv4: 416574342 dns-tcp-queries-received-ipv6: 69882990 dns-udp-responses-sent-ipv4: 5660848180 dns-udp-responses-sent-ipv6: 1412960372 dns-tcp-responses-sent-ipv4: 294424821 dns-tcp-responses-sent-ipv6: 68284355