--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6681971160 dns-udp-queries-received-ipv6: 1979834961 dns-tcp-queries-received-ipv4: 427945388 dns-tcp-queries-received-ipv6: 129867114 dns-udp-responses-sent-ipv4: 6149145818 dns-udp-responses-sent-ipv6: 1645091349 dns-tcp-responses-sent-ipv4: 372394066 dns-tcp-responses-sent-ipv6: 103400138