Registro IPv4
host: blogspot.l.googleusercontent.com
class: IN
ttl: 65
type: A
ip: 172.217.21.1

host: issuesubjectb.blogspot.com
class: IN
ttl: 300
type: CNAME
target: blogspot.l.googleusercontent.com

Registro IPv6
host: blogspot.l.googleusercontent.com
class: IN
ttl: 101
type: AAAA
ipv6: 2a00:1450:4006:813::2001