--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6064099967 dns-udp-queries-received-ipv6: 1793501600 dns-tcp-queries-received-ipv4: 347992705 dns-tcp-queries-received-ipv6: 41029904 dns-udp-responses-sent-ipv4: 5827361951 dns-udp-responses-sent-ipv6: 1774190922 dns-tcp-responses-sent-ipv4: 301446098 dns-tcp-responses-sent-ipv6: 36783810