Registro DMARC
v=DMARC1;p=none;rua=mailto:dmarc-feedback@sendspace.com

Registro IPv4
host: Sendspace.com
class: IN
ttl: 300
type: A
ip: 104.21.28.80

Registro IPv4
host: Sendspace.com
class: IN
ttl: 300
type: A
ip: 172.67.170.105

Servidores DNS Principal (mname) y Secundario (rname)
host: Sendspace.com
class: IN
ttl: 1800
type: SOA
mname: macy.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2350017687
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: Sendspace.com
class: IN
ttl: 300
type: MX
pri: 5
target: mx.Sendspace.com

Información TXT
host: Sendspace.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ~all
entries: Array

Información TXT
host: Sendspace.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=CEUPSe_6cWhvpyL-kasIhlsmKAPyUCdqfd_aYiITfuQ
entries: Array

Registro IPv6
host: Sendspace.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3030::6815:1c50

Registro IPv6
host: Sendspace.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3033::ac43:aa69