--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6826175234 dns-udp-queries-received-ipv6: 2200498567 dns-tcp-queries-received-ipv4: 431648923 dns-tcp-queries-received-ipv6: 238357138 dns-udp-responses-sent-ipv4: 6271643668 dns-udp-responses-sent-ipv6: 1867849245 dns-tcp-responses-sent-ipv4: 361529682 dns-tcp-responses-sent-ipv6: 210712945