Registro DMARC
v=DMARC1; p=reject; fo=1; pct=100; rf=afrf; ri=3600; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: flatironinstitute.nyc
class: IN
ttl: 300
type: A
ip: 172.67.212.184

Registro IPv4
host: flatironinstitute.nyc
class: IN
ttl: 300
type: A
ip: 104.21.16.131

Servidores DNS Principal (mname) y Secundario (rname)
host: flatironinstitute.nyc
class: IN
ttl: 1800
type: SOA
mname: gabe.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2358619352
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: flatironinstitute.nyc
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::ac43:d4b8

Registro IPv6
host: flatironinstitute.nyc
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::6815:1083