--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8608544786 dns-udp-queries-received-ipv6: 1229831032 dns-tcp-queries-received-ipv4: 308205564 dns-tcp-queries-received-ipv6: 78809389 dns-udp-responses-sent-ipv4: 8355801799 dns-udp-responses-sent-ipv6: 1228243916 dns-tcp-responses-sent-ipv4: 304315537 dns-tcp-responses-sent-ipv6: 79252075