--- version: rssac002v4 service: j.root-servers.net start-period: '2023-03-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6278271361 dns-udp-queries-received-ipv6: 1655933989 dns-tcp-queries-received-ipv4: 259079134 dns-tcp-queries-received-ipv6: 79508699 dns-udp-responses-sent-ipv4: 5923293519 dns-udp-responses-sent-ipv6: 1644129817 dns-tcp-responses-sent-ipv4: 193920771 dns-tcp-responses-sent-ipv6: 77387096