Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:security@sjtu.edu.cn

Registro IPv4
host: sjtu.edu.cn
class: IN
ttl: 300
type: A
ip: 202.120.2.119

Servidores DNS Principal (mname) y Secundario (rname)
host: sjtu.edu.cn
class: IN
ttl: 47
type: SOA
mname: dns.sjtu.edu.cn
rname: hostmaster.sjtu.edu.cn
serial: 2610271731
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: sjtu.edu.cn
class: IN
ttl: 300
type: MX
pri: 10
target: mx01.sjtu.edu.cn

Servidor de Correo
host: sjtu.edu.cn
class: IN
ttl: 300
type: MX
pri: 20
target: mx03.sjtu.edu.cn

Servidor de Correo
host: sjtu.edu.cn
class: IN
ttl: 300
type: MX
pri: 10
target: mx02.sjtu.edu.cn

Servidor de Correo
host: sjtu.edu.cn
class: IN
ttl: 300
type: MX
pri: 20
target: mx04.sjtu.edu.cn

Información TXT
host: sjtu.edu.cn
class: IN
ttl: 300
type: TXT
txt: google-site-verification=mcuNzNPcotg0Umk8i7PNvtpd5_wDv6V-Q-Fo3vYMcxk
entries: Array

Información TXT
host: sjtu.edu.cn
class: IN
ttl: 300
type: TXT
txt: ic14zi8kzf8g848uofs9wvk1s43dzz88
entries: Array

Información TXT
host: sjtu.edu.cn
class: IN
ttl: 300
type: TXT
txt: a85e415662a6425f70c138b67155e0d1d4ab0f34fbec6bd9101ffb83fdcbff5c
entries: Array

Información TXT
host: sjtu.edu.cn
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:202.112.26.0/24 ip4:202.120.2.0/24 ip4:202.121.179.0/24 ip4:111.186.58.48 ip4:111.186.58.61 ip4:111.186.58.62 ip4:111.186.58.66 ip4:111.186.58.24 -all
entries: Array