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

Registro IPv4
host: citibank.com
class: IN
ttl: 1909
type: A
ip: 192.193.102.175

Registro IPv4
host: citibank.com
class: IN
ttl: 1909
type: A
ip: 104.96.178.165

Registro IPv4
host: citibank.com
class: IN
ttl: 1909
type: A
ip: 104.94.222.171

Registro IPv4
host: citibank.com
class: IN
ttl: 1909
type: A
ip: 192.193.218.130

Servidores DNS Principal (mname) y Secundario (rname)
host: citibank.com
class: IN
ttl: 3600
type: SOA
mname: nusgtdc-edns01.nsroot.net
rname: hostmaster.citi.com
serial: 2021099614
refresh: 3600
retry: 300
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: citibank.com
class: IN
ttl: 1800
type: MX
pri: 5
target: mx-a.mail.citi.com

Servidor de Correo
host: citibank.com
class: IN
ttl: 1800
type: MX
pri: 5
target: mx-b.mail.citi.com

Información TXT
host: citibank.com
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=l0yLgWkGs-ik3cNg8LCqI4IRtJe_qvzRYILtrnQ-L4E
entries: Array

Información TXT
host: citibank.com
class: IN
ttl: 3600
type: TXT
txt: facebook-domain-verification=3afsyr7t6cmarl3sc8dfohlz53n4ho
entries: Array

Información TXT
host: citibank.com
class: IN
ttl: 3600
type: TXT
txt: postman-domain-verification=80f5e8b5b0eb9d94f6c42fc72ee42bef0585ba996bddeeda33442ee5f1db593d4aede826d4d6e58b40be0681a2f40b86aff5238e76c95e449c963bad2e3ffc14
entries: Array

Información TXT
host: citibank.com
class: IN
ttl: 3600
type: TXT
txt: paloaltonetworks-site-verification=59fcee26fb9ae46cb912e8ec453faa3b82c65ee0e94f7fb7de1a59b07e9b8cf3
entries: Array

Información TXT
host: citibank.com
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=kZISuG3O5lKpwO_y-LOv8wR6wuDt8TVjeU8hzFVlI4s
entries: Array

Información TXT
host: citibank.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:mail.citigroup.com ip4:217.29.160.12 ip4:84.45.73.5 include:spf-00123c01.pphosted.com ~all
entries: Array

Información TXT
host: citibank.com
class: IN
ttl: 3600
type: TXT
txt: VISA=68AD39DBFE1C333E61ACF655F6009DAA
entries: Array