--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6399589444 dns-udp-queries-received-ipv6: 1843897040 dns-tcp-queries-received-ipv4: 338903303 dns-tcp-queries-received-ipv6: 74815415 dns-udp-responses-sent-ipv4: 6809574825 dns-udp-responses-sent-ipv6: 1840829851 dns-tcp-responses-sent-ipv4: 309742344 dns-tcp-responses-sent-ipv6: 74362331