--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6035980458 dns-udp-queries-received-ipv6: 1865159708 dns-tcp-queries-received-ipv4: 391816411 dns-tcp-queries-received-ipv6: 53015339 dns-udp-responses-sent-ipv4: 5634710537 dns-udp-responses-sent-ipv6: 1857672035 dns-tcp-responses-sent-ipv4: 317963083 dns-tcp-responses-sent-ipv6: 52003613