--- version: rssac002v3 service: a.root-servers.net start-period: '2018-09-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3840065673 dns-udp-queries-received-ipv6: 606113141 dns-tcp-queries-received-ipv4: 110700825 dns-tcp-queries-received-ipv6: 24491539 dns-udp-responses-sent-ipv4: 3738513991 dns-udp-responses-sent-ipv6: 605873155 dns-tcp-responses-sent-ipv4: 107088617 dns-tcp-responses-sent-ipv6: 24583430