--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6884888871 dns-udp-queries-received-ipv6: 2194991982 dns-tcp-queries-received-ipv4: 389266203 dns-tcp-queries-received-ipv6: 146538634 dns-udp-responses-sent-ipv4: 6384308274 dns-udp-responses-sent-ipv6: 1911945250 dns-tcp-responses-sent-ipv4: 331360579 dns-tcp-responses-sent-ipv6: 122610146