--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6159808734 dns-udp-queries-received-ipv6: 1352631591 dns-tcp-queries-received-ipv4: 430070905 dns-tcp-queries-received-ipv6: 66062651 dns-udp-responses-sent-ipv4: 5655194818 dns-udp-responses-sent-ipv6: 1331143762 dns-tcp-responses-sent-ipv4: 297912756 dns-tcp-responses-sent-ipv6: 65555539