--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6368770955 dns-udp-queries-received-ipv6: 1534919164 dns-tcp-queries-received-ipv4: 347719044 dns-tcp-queries-received-ipv6: 49159017 dns-udp-responses-sent-ipv4: 6197121698 dns-udp-responses-sent-ipv6: 1523978642 dns-tcp-responses-sent-ipv4: 347193462 dns-tcp-responses-sent-ipv6: 45501984