--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5580001809 dns-udp-queries-received-ipv6: 1849465175 dns-tcp-queries-received-ipv4: 357960193 dns-tcp-queries-received-ipv6: 47471046 dns-udp-responses-sent-ipv4: 5229734993 dns-udp-responses-sent-ipv6: 1843111202 dns-tcp-responses-sent-ipv4: 286978091 dns-tcp-responses-sent-ipv6: 46803700