--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5493826352 dns-udp-queries-received-ipv6: 1664751656 dns-tcp-queries-received-ipv4: 358819545 dns-tcp-queries-received-ipv6: 64232082 dns-udp-responses-sent-ipv4: 5229197945 dns-udp-responses-sent-ipv6: 1663289385 dns-tcp-responses-sent-ipv4: 292485835 dns-tcp-responses-sent-ipv6: 64247589