--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6793196621 dns-udp-queries-received-ipv6: 1633939221 dns-tcp-queries-received-ipv4: 398996316 dns-tcp-queries-received-ipv6: 87162439 dns-udp-responses-sent-ipv4: 6618636441 dns-udp-responses-sent-ipv6: 1614623797 dns-tcp-responses-sent-ipv4: 385444924 dns-tcp-responses-sent-ipv6: 79263783