Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: urvicom.com
class: IN
ttl: 300
type: A
ip: 23.27.142.155

Servidores DNS Principal (mname) y Secundario (rname)
host: urvicom.com
class: IN
ttl: 1800
type: SOA
mname: chan.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2360122895
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800