Registro DMARC
v=DMARC1; p=none

Servidores DNS Principal (mname) y Secundario (rname)
host: singlebb.com
class: IN
ttl: 3600
type: SOA
mname: dns.singlebb.com
rname: support.singlebb.com
serial: 1986091537
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: singlebb.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.singlebb.com

Información TXT
host: singlebb.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:64.235.60.81 ip4:64.235.60.92 ip4:64.235.60.94 ip4:64.235.60.96 ip4:64.235.60.97 ip4:216.108.227.42 ip4:216.108.227.49 ip4:216.108.227.50 ip4:216.108.227.51 ip4:172.245.145.16 ip4:172.245.145.17 ip4:172.245.145.157 ip4:172.245.145.160 ip4:172.245.145.161 ip4:172.245.145.162 ip4:172.245.145.184 ip4:172.245.145.185 ip4:172.245.145.186 ip4:172.245.145.187 -all
entries: Array

Registro IPv6
host: singlebb.com
class: IN
ttl: 3600
type: AAAA
ipv6: 2001:41d0:303:5e96:97a2:afeb:81e3:61b2