--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5150760103 dns-udp-queries-received-ipv6: 1715841185 dns-tcp-queries-received-ipv4: 330143434 dns-tcp-queries-received-ipv6: 85563035 dns-udp-responses-sent-ipv4: 4997669190 dns-udp-responses-sent-ipv6: 1720724423 dns-tcp-responses-sent-ipv4: 307940301 dns-tcp-responses-sent-ipv6: 85513776