--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5723043622 dns-udp-queries-received-ipv6: 1776811269 dns-tcp-queries-received-ipv4: 410865288 dns-tcp-queries-received-ipv6: 45801720 dns-udp-responses-sent-ipv4: 5353869726 dns-udp-responses-sent-ipv6: 1772679929 dns-tcp-responses-sent-ipv4: 340284114 dns-tcp-responses-sent-ipv6: 45215316