--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6380405524 dns-udp-queries-received-ipv6: 1755505507 dns-tcp-queries-received-ipv4: 615791048 dns-tcp-queries-received-ipv6: 49655583 dns-udp-responses-sent-ipv4: 5871822926 dns-udp-responses-sent-ipv6: 1750859526 dns-tcp-responses-sent-ipv4: 422914603 dns-tcp-responses-sent-ipv6: 49069594