--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6623730366 dns-udp-queries-received-ipv6: 2056855268 dns-tcp-queries-received-ipv4: 599158687 dns-tcp-queries-received-ipv6: 59728714 dns-udp-responses-sent-ipv4: 6141721655 dns-udp-responses-sent-ipv6: 2048525685 dns-tcp-responses-sent-ipv4: 426096991 dns-tcp-responses-sent-ipv6: 58136501