--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6566554682 dns-udp-queries-received-ipv6: 1425928983 dns-tcp-queries-received-ipv4: 198506569 dns-tcp-queries-received-ipv6: 74513943 dns-udp-responses-sent-ipv4: 6394763401 dns-udp-responses-sent-ipv6: 1425157082 dns-tcp-responses-sent-ipv4: 194034077 dns-tcp-responses-sent-ipv6: 74780228