--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6740231812 dns-udp-queries-received-ipv6: 1777614995 dns-tcp-queries-received-ipv4: 354228384 dns-tcp-queries-received-ipv6: 144495544 dns-udp-responses-sent-ipv4: 6365402658 dns-udp-responses-sent-ipv6: 1745237284 dns-tcp-responses-sent-ipv4: 257426890 dns-tcp-responses-sent-ipv6: 133765230