--- version: rssac002v4 service: j.root-servers.net start-period: '2023-06-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6468218775 dns-udp-queries-received-ipv6: 1936378641 dns-tcp-queries-received-ipv4: 247817052 dns-tcp-queries-received-ipv6: 131711554 dns-udp-responses-sent-ipv4: 6133541886 dns-udp-responses-sent-ipv6: 1903078521 dns-tcp-responses-sent-ipv4: 192813156 dns-tcp-responses-sent-ipv6: 123890667