--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6112727391 dns-udp-queries-received-ipv6: 2136346462 dns-tcp-queries-received-ipv4: 427780352 dns-tcp-queries-received-ipv6: 86470426 dns-udp-responses-sent-ipv4: 5733801927 dns-udp-responses-sent-ipv6: 2131060263 dns-tcp-responses-sent-ipv4: 347779964 dns-tcp-responses-sent-ipv6: 86091219