Registro DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1

Registro IPv4
host: yammer.com
class: IN
ttl: 1800
type: A
ip: 13.107.6.159

Servidores DNS Principal (mname) y Secundario (rname)
host: yammer.com
class: IN
ttl: 1800
type: SOA
mname: ns1-01.azure-dns.com
rname: ops.yammer-inc.com
serial: 626
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: yammer.com
class: IN
ttl: 1800
type: MX
pri: 10
target: yammer-com.mail.protection.outlook.com

Información TXT
host: yammer.com
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=-Q7HmtzaJ5ho3-_EWV5dsb9SvqduEwS5Sz-w4Ag3K0U
entries: Array

Información TXT
host: yammer.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms97340800
entries: Array

Información TXT
host: yammer.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com include:mailiespf.yammer.com mx include:_spf-ssg-a.microsoft.com -all
entries: Array