Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: level3.com
class: IN
ttl: 300
type: A
ip: 4.68.80.110

Servidores DNS Principal (mname) y Secundario (rname)
host: level3.com
class: IN
ttl: 3600
type: SOA
mname: ns2.Level3.net
rname: dns.Level3.net
serial: 2024040416
refresh: 7200
retry: 600
expire: 2592000
minimum-ttl: 3600

Servidor de Correo
host: level3.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxb-007e5801.gslb.pphosted.com

Servidor de Correo
host: level3.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxa-007e5801.gslb.pphosted.com

Información TXT
host: level3.com
class: IN
ttl: 3600
type: TXT
txt: dT7iStrb3a1ssC1ijqq9azDuvbYsToXGIznJ7waTczQtU+Cei8BPsj4A3JTPCfAOoN07HzBfxdvTLDf++YKXEQ==
entries: Array

Información TXT
host: level3.com
class: IN
ttl: 3600
type: TXT
txt: kgywqwc5lk5w20mr656l2q342hbvn9kw
entries: Array

Información TXT
host: level3.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf-007e5801.pphosted.com include:spf-007e5802.pphosted.com include:_spf.google.com ip4:155.70.32.52 ip4:155.70.50.76 ~all
entries: Array

Información TXT
host: level3.com
class: IN
ttl: 3600
type: TXT
txt: ciscocidomainverification=10fb1f7c3de6f9414d8bdb800dd38070a1f0bea5d1ad574b8cdf26a42c3fbdb8
entries: Array

Información TXT
host: level3.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms47616180
entries: Array