--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5870058570 dns-udp-queries-received-ipv6: 1691053013 dns-tcp-queries-received-ipv4: 399394478 dns-tcp-queries-received-ipv6: 66365714 dns-udp-responses-sent-ipv4: 5573808503 dns-udp-responses-sent-ipv6: 1689528821 dns-tcp-responses-sent-ipv4: 325233566 dns-tcp-responses-sent-ipv6: 66453695