--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5719274845 dns-udp-queries-received-ipv6: 1778160471 dns-tcp-queries-received-ipv4: 380416214 dns-tcp-queries-received-ipv6: 94683594 dns-udp-responses-sent-ipv4: 5434255314 dns-udp-responses-sent-ipv6: 1776688039 dns-tcp-responses-sent-ipv4: 307080857 dns-tcp-responses-sent-ipv6: 94687311