--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4502452294 dns-udp-queries-received-ipv6: 709589479 dns-tcp-queries-received-ipv4: 155030749 dns-tcp-queries-received-ipv6: 31437061 dns-udp-responses-sent-ipv4: 4377251427 dns-udp-responses-sent-ipv6: 708961686 dns-tcp-responses-sent-ipv4: 151624913 dns-tcp-responses-sent-ipv6: 31618499