--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6984421628 dns-udp-queries-received-ipv6: 1407755675 dns-tcp-queries-received-ipv4: 602369407 dns-tcp-queries-received-ipv6: 121424903 dns-udp-responses-sent-ipv4: 6420103803 dns-udp-responses-sent-ipv6: 1385449405 dns-tcp-responses-sent-ipv4: 415274096 dns-tcp-responses-sent-ipv6: 113359837