--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6717101679 dns-udp-queries-received-ipv6: 1805550535 dns-tcp-queries-received-ipv4: 349801171 dns-tcp-queries-received-ipv6: 83333100 dns-udp-responses-sent-ipv4: 6336641895 dns-udp-responses-sent-ipv6: 1789341118 dns-tcp-responses-sent-ipv4: 257990573 dns-tcp-responses-sent-ipv6: 78391445