--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5831147307 dns-udp-queries-received-ipv6: 1895942542 dns-tcp-queries-received-ipv4: 392182275 dns-tcp-queries-received-ipv6: 52953788 dns-udp-responses-sent-ipv4: 5467821953 dns-udp-responses-sent-ipv6: 1891225767 dns-tcp-responses-sent-ipv4: 318353540 dns-tcp-responses-sent-ipv6: 52139925