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

Registro IPv4
host: lync.com
class: IN
ttl: 53
type: A
ip: 20.112.250.133

Registro IPv4
host: lync.com
class: IN
ttl: 53
type: A
ip: 20.236.44.162

Registro IPv4
host: lync.com
class: IN
ttl: 53
type: A
ip: 20.231.239.246

Registro IPv4
host: lync.com
class: IN
ttl: 53
type: A
ip: 20.76.201.171

Registro IPv4
host: lync.com
class: IN
ttl: 53
type: A
ip: 20.70.246.20

Servidores DNS Principal (mname) y Secundario (rname)
host: lync.com
class: IN
ttl: 44
type: SOA
mname: ns1-34.azure-dns.com
rname: msnhst.microsoft.com
serial: 2017988128
refresh: 300
retry: 120
expire: 2419200
minimum-ttl: 60

Información TXT
host: lync.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array