--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6572132009 dns-udp-queries-received-ipv6: 1607386479 dns-tcp-queries-received-ipv4: 371111602 dns-tcp-queries-received-ipv6: 83126321 dns-udp-responses-sent-ipv4: 6349612974 dns-udp-responses-sent-ipv6: 1597616394 dns-tcp-responses-sent-ipv4: 363157953 dns-tcp-responses-sent-ipv6: 79954015