--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6741506163 dns-udp-queries-received-ipv6: 1891020795 dns-tcp-queries-received-ipv4: 340304752 dns-tcp-queries-received-ipv6: 83741288 dns-udp-responses-sent-ipv4: 6371501516 dns-udp-responses-sent-ipv6: 1863283280 dns-tcp-responses-sent-ipv4: 251078138 dns-tcp-responses-sent-ipv6: 77366490