Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@yelp.com; ruf=mailto:dmarc_fr@yelp.com

Registro IPv4
host: yelp.co.uk
class: IN
ttl: 90
type: A
ip: 52.222.144.119

Registro IPv4
host: yelp.co.uk
class: IN
ttl: 90
type: A
ip: 52.222.144.120

Registro IPv4
host: yelp.co.uk
class: IN
ttl: 90
type: A
ip: 52.222.144.71

Registro IPv4
host: yelp.co.uk
class: IN
ttl: 90
type: A
ip: 52.222.144.27

Servidores DNS Principal (mname) y Secundario (rname)
host: yelp.co.uk
class: IN
ttl: 600
type: SOA
mname: dns1.p01.nsone.net
rname: hostmaster.nsone.net
serial: 1644351081
refresh: 43200
retry: 900
expire: 604800
minimum-ttl: 60

Servidor de Correo
host: yelp.co.uk
class: IN
ttl: 3600
type: MX
pri: 1
target: corpmx.yelpcorp.com

Información TXT
host: yelp.co.uk
class: IN
ttl: 3600
type: TXT
txt: None
entries: Array

Información TXT
host: yelp.co.uk
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:198.51.132.21 ip4:199.255.188.0/22 ip4:209.177.160.9 ip4:209.177.164.34 ip4:209.177.168.2 include:servers.mcsv.net include:_spf1.yelp.com -all
entries: Array

Información TXT
host: yelp.co.uk
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=GSChfL2V0G4LRQk0fdX4-pk_qfdX7lNMlK4_1l6QRdY
entries: Array