--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6000073158 dns-udp-queries-received-ipv6: 1762753829 dns-tcp-queries-received-ipv4: 409641066 dns-tcp-queries-received-ipv6: 62325591 dns-udp-responses-sent-ipv4: 5609467217 dns-udp-responses-sent-ipv6: 1761228807 dns-tcp-responses-sent-ipv4: 320407970 dns-tcp-responses-sent-ipv6: 62355851