Registro IPv4
host: covid19.ai
class: IN
ttl: 3600
type: A
ip: 185.158.133.1

Servidores DNS Principal (mname) y Secundario (rname)
host: covid19.ai
class: IN
ttl: 1800
type: SOA
mname: amos.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2374716318
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800