Registro DMARC
v=DMARC1;p=reject;rua=mailto:dmarc_reports@doi.gov,mailto:reports@dmarc.cyber.dhs.gov

Registro IPv4
host: usgs.gov
class: IN
ttl: 193
type: A
ip: 137.227.233.178

Servidores DNS Principal (mname) y Secundario (rname)
host: usgs.gov
class: IN
ttl: 1800
type: SOA
mname: chin.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2344858698
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: usgs.gov
class: IN
ttl: 300
type: MX
pri: 0
target: usgs-gov.mail.protection.outlook.com

Información TXT
host: usgs.gov
class: IN
ttl: 300
type: TXT
txt: amazonses:iCXvgYeeCTBsNF5P4aaQq/gAJE3NWJAehnOg3OAoBJY=
entries: Array

Información TXT
host: usgs.gov
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.usgs.gov include:_spf.doi.gov include:spf.protection.outlook.com include:amazonses.com include:spf-na.exlibrisgroup.com include:servers.mcsv.net include:oclcspf1.oclc.org include:oclcspf2.oclc.org include:_spf.ears.usgs.gov include:mail.zendesk.com -all
entries: Array

Registro IPv6
host: usgs.gov
class: IN
ttl: 108
type: AAAA
ipv6: 2001:49c8::126c:0:0:0:76