--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5558522481 dns-udp-queries-received-ipv6: 1309558897 dns-tcp-queries-received-ipv4: 389377188 dns-tcp-queries-received-ipv6: 49681664 dns-udp-responses-sent-ipv4: 5162719237 dns-udp-responses-sent-ipv6: 1283725529 dns-tcp-responses-sent-ipv4: 258443915 dns-tcp-responses-sent-ipv6: 48975401