--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6642270735 dns-udp-queries-received-ipv6: 1625291968 dns-tcp-queries-received-ipv4: 386837601 dns-tcp-queries-received-ipv6: 79573526 dns-udp-responses-sent-ipv4: 6475598201 dns-udp-responses-sent-ipv6: 1614259888 dns-tcp-responses-sent-ipv4: 376452382 dns-tcp-responses-sent-ipv6: 75646129