--- version: rssac002v4 service: a.root-servers.net start-period: '2022-03-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5025091107 dns-udp-queries-received-ipv6: 1569315827 dns-tcp-queries-received-ipv4: 317125938 dns-tcp-queries-received-ipv6: 155890888 dns-udp-responses-sent-ipv4: 5180303154 dns-udp-responses-sent-ipv6: 1587459927 dns-tcp-responses-sent-ipv4: 313345141 dns-tcp-responses-sent-ipv6: 155956516