Registro IPv4
host: mercadon.es
class: IN
ttl: 600
type: A
ip: 185.53.177.52

Servidores DNS Principal (mname) y Secundario (rname)
host: mercadon.es
class: IN
ttl: 86
type: SOA
mname: ns1.parkingcrew.net
rname: hostmaster.mercadon.es
serial: 1741642000
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400

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