--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6956434902 dns-udp-queries-received-ipv6: 1988152683 dns-tcp-queries-received-ipv4: 673965477 dns-tcp-queries-received-ipv6: 54801657 dns-udp-responses-sent-ipv4: 6392285667 dns-udp-responses-sent-ipv6: 1982874554 dns-tcp-responses-sent-ipv4: 461194245 dns-tcp-responses-sent-ipv6: 54191518