Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc.reports.rua@citi.com

Registro IPv4
host: citibank.com.hk
class: IN
ttl: 300
type: A
ip: 104.96.178.165

Registro IPv4
host: citibank.com.hk
class: IN
ttl: 300
type: A
ip: 104.94.222.171

Servidores DNS Principal (mname) y Secundario (rname)
host: citibank.com.hk
class: IN
ttl: 3600
type: SOA
mname: ns1.nsroot1.com
rname: hostmaster.citi.com
serial: 2021094781
refresh: 3600
retry: 300
expire: 2419200
minimum-ttl: 3600

Información TXT
host: citibank.com.hk
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:mail.citigroup.com -all
entries: Array

Información TXT
host: citibank.com.hk
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=PfBHHxzpu1e4wZUC7OEcNZeQTByS6oMrVbmr9DSG3HQ
entries: Array

Información TXT
host: citibank.com.hk
class: IN
ttl: 3600
type: TXT
txt: postman-domain-verification=9b740912d978a6fbdfee9cbe857bff396567de48bbc184d1012b412bcfec9f9e90b00f9d60d6e1d10b2a65aa297766d30103a314f1751e8e947856f9c773c3cc
entries: Array