Registro DMARC
v=spf1 ?all

Registro IPv4
host: webpkgcache.com
class: IN
ttl: 166
type: A
ip: 172.217.168.161

host: courtesycentral-com.webpkgcache.com
class: IN
ttl: 300
type: CNAME
target: webpkgcache.com

Servidores DNS Principal (mname) y Secundario (rname)
host: webpkgcache.com
class: IN
ttl: 90
type: SOA
mname: ns1.google.com
rname: dns-admin.google.com
serial: 759948494
refresh: 900
retry: 900
expire: 1800
minimum-ttl: 60

Información TXT
host: webpkgcache.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ?all
entries: Array

Registro IPv6
host: webpkgcache.com
class: IN
ttl: 300
type: AAAA
ipv6: 2a00:1450:4003:80d::2001