Registro IPv4
host: open.mit.edu.herokudns.com
class: IN
ttl: 36
type: A
ip: 3.33.161.45

Registro IPv4
host: open.mit.edu.herokudns.com
class: IN
ttl: 36
type: A
ip: 35.71.150.51

Registro IPv4
host: open.mit.edu.herokudns.com
class: IN
ttl: 36
type: A
ip: 15.197.152.254

Registro IPv4
host: open.mit.edu.herokudns.com
class: IN
ttl: 36
type: A
ip: 13.248.131.213

host: open.mit.edu
class: IN
ttl: 1150
type: CNAME
target: open.mit.edu.herokudns.com