--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6785352841 dns-udp-queries-received-ipv6: 2248644977 dns-tcp-queries-received-ipv4: 412473664 dns-tcp-queries-received-ipv6: 121833768 dns-udp-responses-sent-ipv4: 6224161431 dns-udp-responses-sent-ipv6: 1900638865 dns-tcp-responses-sent-ipv4: 347270088 dns-tcp-responses-sent-ipv6: 96449912