Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:reverus@bondedconcrete.com; aspf=r; adkim=r

Registro IPv4
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: A
ip: 198.49.23.144

Registro IPv4
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: A
ip: 198.185.159.145

Registro IPv4
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: A
ip: 198.185.159.144

Registro IPv4
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: A
ip: 198.49.23.145

Servidores DNS Principal (mname) y Secundario (rname)
host: 21centuryconcrete.com
class: IN
ttl: 7200
type: SOA
mname: NS19.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 126082421
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: MX
pri: 0
target: 21centuryconcrete-com.mail.protection.outlook.com

Información TXT
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms89594428
entries: Array

Información TXT
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net ip4:24.105.162.138/29 -all
entries: Array

Información TXT
host: 21centuryconcrete.com
class: IN
ttl: 3600
type: TXT
txt: 0ed1fe018a39c313af46c94fc2b0f9db27b3fad90a
entries: Array