Registro IPv4
host: blood4us.com
class: IN
ttl: 600
type: A
ip: 185.150.189.123

Servidores DNS Principal (mname) y Secundario (rname)
host: blood4us.com
class: IN
ttl: 600
type: SOA
mname: ns1.dnsnuts.com
rname: admin.blood4us.com
serial: 2025061301
refresh: 86400
retry: 10800
expire: 604800
minimum-ttl: 300