Registro IPv4
host: sf4obr.ru
class: IN
ttl: 300
type: A
ip: 104.21.91.127

Registro IPv4
host: sf4obr.ru
class: IN
ttl: 300
type: A
ip: 172.67.219.158

Servidores DNS Principal (mname) y Secundario (rname)
host: sf4obr.ru
class: IN
ttl: 1800
type: SOA
mname: aldo.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2417655120
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800