--- version: rssac002v4 service: a.root-servers.net start-period: '2022-08-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5660018708 dns-udp-queries-received-ipv6: 1448827199 dns-tcp-queries-received-ipv4: 345236961 dns-tcp-queries-received-ipv6: 44526629 dns-udp-responses-sent-ipv4: 5380323442 dns-udp-responses-sent-ipv6: 1445049824 dns-tcp-responses-sent-ipv4: 270874558 dns-tcp-responses-sent-ipv6: 44127938