--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5973588157 dns-udp-queries-received-ipv6: 1845485054 dns-tcp-queries-received-ipv4: 446607207 dns-tcp-queries-received-ipv6: 76286354 dns-udp-responses-sent-ipv4: 5605822627 dns-udp-responses-sent-ipv6: 1841480890 dns-tcp-responses-sent-ipv4: 378355863 dns-tcp-responses-sent-ipv6: 75724689