--- version: rssac002v4 service: j.root-servers.net start-period: '2023-03-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6882140605 dns-udp-queries-received-ipv6: 2186408900 dns-tcp-queries-received-ipv4: 351402782 dns-tcp-queries-received-ipv6: 186980122 dns-udp-responses-sent-ipv4: 6514276388 dns-udp-responses-sent-ipv6: 2113891639 dns-tcp-responses-sent-ipv4: 249466218 dns-tcp-responses-sent-ipv6: 159933066