Consultas DNS
Consultar MX, SPF, DKIM, DMARC, PTR y servidores de nombres.
Registros MX
Muestra los servidores de correo responsables de un dominio y su prioridad.
Microsoft 365
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name contoso.com -Type MX | Sort-Object Preference | Format-Table Preference, NameExchangedig Herramienta adicional
dig +short MX contoso.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=MX contoso.comdig Herramienta adicional
dig +short MX contoso.comGoogle Workspace
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name google.com -Type MX | Sort-Object Preference | Format-Table Preference, NameExchangedig Herramienta adicional
dig +short MX google.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=MX google.comdig Herramienta adicional
dig +short MX google.comA / AAAA
Resuelve un nombre de host en sus direcciones IPv4 e IPv6.
Mailserver
- Host / servidor
-
mail.example.comCambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name mail.example.com -Type A
Resolve-DnsName -Name mail.example.com -Type AAAAdig Herramienta adicional
dig +short A mail.example.com
dig +short AAAA mail.example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query mail.example.comdig Herramienta adicional
dig +short A mail.example.com
dig +short AAAA mail.example.comAutodiscover
- Host / servidor
-
autodiscover.example.comCambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name autodiscover.example.com -Type A
Resolve-DnsName -Name autodiscover.example.com -Type AAAAdig Herramienta adicional
dig +short A autodiscover.example.com
dig +short AAAA autodiscover.example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query autodiscover.example.comdig Herramienta adicional
dig +short A autodiscover.example.com
dig +short AAAA autodiscover.example.comRegistros TXT (SPF)
Lista todos los registros TXT de un dominio, incluido el registro SPF (v=spf1).
SPF
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name example.com -Type TXT | Select-Object -ExpandProperty Stringsdig Herramienta adicional
dig +short TXT example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=TXT example.comdig Herramienta adicional
dig +short TXT example.comSelector DKIM
Consulta la clave DKIM pública de un selector (<selector>._domainkey.<domain>).
Microsoft 365
- Selector DKIM
-
selector1Cambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name selector1._domainkey.example.com -Type TXT | Select-Object -ExpandProperty Stringsdig Herramienta adicional
dig +short TXT selector1._domainkey.example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=TXT selector1._domainkey.example.comdig Herramienta adicional
dig +short TXT selector1._domainkey.example.comMicrosoft 365 (2. Schlüssel)
- Selector DKIM
-
selector2Cambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name selector2._domainkey.example.com -Type TXT | Select-Object -ExpandProperty Stringsdig Herramienta adicional
dig +short TXT selector2._domainkey.example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=TXT selector2._domainkey.example.comdig Herramienta adicional
dig +short TXT selector2._domainkey.example.comGoogle Workspace
- Selector DKIM
-
googleCambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name google._domainkey.example.com -Type TXT | Select-Object -ExpandProperty Stringsdig Herramienta adicional
dig +short TXT google._domainkey.example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=TXT google._domainkey.example.comdig Herramienta adicional
dig +short TXT google._domainkey.example.comRegistro DMARC
Muestra la política DMARC en _dmarc.<domain>.
DMARC-Richtlinie
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name _dmarc.example.com -Type TXT | Select-Object -ExpandProperty Stringsdig Herramienta adicional
dig +short TXT _dmarc.example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=TXT _dmarc.example.comdig Herramienta adicional
dig +short TXT _dmarc.example.comPTR (DNS inverso)
Resuelve una dirección IP en un nombre de host.
IPv4
- Dirección IP
-
192.0.2.25Cambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name 192.0.2.25 -Type PTRdig Herramienta adicional
dig +short -x 192.0.2.25Shell de Unix (bash)
resolvectl Integrado
resolvectl query 192.0.2.25dig Herramienta adicional
dig +short -x 192.0.2.25IPv6
- Dirección IP
-
2001:db8::25Cambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name 2001:db8::25 -Type PTRdig Herramienta adicional
dig +short -x 2001:db8::25Shell de Unix (bash)
resolvectl Integrado
resolvectl query 2001:db8::25dig Herramienta adicional
dig +short -x 2001:db8::25Servidores de nombres / SOA
Muestra los servidores de nombres responsables de una zona y su registro SOA.
Zone
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name example.com -Type NS
Resolve-DnsName -Name example.com -Type SOAdig Herramienta adicional
dig +short NS example.com
dig +short SOA example.comShell de Unix (bash)
resolvectl Integrado
resolvectl query --type=NS example.comdig Herramienta adicional
dig +short NS example.com
dig +short SOA example.comContra un resolver concreto
Consulta un dominio a través del resolver que elija (por defecto 1.1.1.1) para detectar un split DNS frente al resolver interno.
Cloudflare
- Resolver (servidor DNS)
-
1.1.1.1Cambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name example.com -Type A -Server 1.1.1.1dig Herramienta adicional
dig @1.1.1.1 +short A example.comShell de Unix (bash)
dig Herramienta adicional
dig @1.1.1.1 +short A example.comnslookup Herramienta adicional
nslookup example.com 1.1.1.1- Resolver (servidor DNS)
-
8.8.8.8Cambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name example.com -Type A -Server 8.8.8.8dig Herramienta adicional
dig @8.8.8.8 +short A example.comShell de Unix (bash)
dig Herramienta adicional
dig @8.8.8.8 +short A example.comnslookup Herramienta adicional
nslookup example.com 8.8.8.8Quad9
- Resolver (servidor DNS)
-
9.9.9.9Cambiar en el generador →
PowerShell (Windows)
Resolve-DnsName Integrado
Resolve-DnsName -Name example.com -Type A -Server 9.9.9.9dig Herramienta adicional
dig @9.9.9.9 +short A example.comShell de Unix (bash)
dig Herramienta adicional
dig @9.9.9.9 +short A example.comnslookup Herramienta adicional
nslookup example.com 9.9.9.9En Linux, consultar un resolver concreto requiere dig o nslookup (paquete dnsutils/bind-utils); resolvectl siempre usa el resolver del sistema.
