--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6688331090 dns-udp-queries-received-ipv6: 1963584189 dns-tcp-queries-received-ipv4: 381225369 dns-tcp-queries-received-ipv6: 116398402 dns-udp-responses-sent-ipv4: 6330976988 dns-udp-responses-sent-ipv6: 1784986060 dns-tcp-responses-sent-ipv4: 334011411 dns-tcp-responses-sent-ipv6: 93187117