--- version: rssac002v4 service: j.root-servers.net start-period: '2023-02-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6393552197 dns-udp-queries-received-ipv6: 1786941882 dns-tcp-queries-received-ipv4: 326048999 dns-tcp-queries-received-ipv6: 150291847 dns-udp-responses-sent-ipv4: 6034895795 dns-udp-responses-sent-ipv6: 1748057279 dns-tcp-responses-sent-ipv4: 227789634 dns-tcp-responses-sent-ipv6: 136608260