--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5484435268 dns-udp-queries-received-ipv6: 1825466501 dns-tcp-queries-received-ipv4: 359320539 dns-tcp-queries-received-ipv6: 40424294 dns-udp-responses-sent-ipv4: 5134324943 dns-udp-responses-sent-ipv6: 1818717262 dns-tcp-responses-sent-ipv4: 287768702 dns-tcp-responses-sent-ipv6: 39597418