--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6252245007 dns-udp-queries-received-ipv6: 1496263745 dns-tcp-queries-received-ipv4: 539567800 dns-tcp-queries-received-ipv6: 148299908 dns-udp-responses-sent-ipv4: 5767148924 dns-udp-responses-sent-ipv6: 1465736071 dns-tcp-responses-sent-ipv4: 391669153 dns-tcp-responses-sent-ipv6: 146451171