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Domain

Custom domain configuration for branding, email sending, and TLS certificate management.

domaindnstlsemail

Domain

A Domain represents a custom hostname registered to an account for branding, email deliverability, and TLS configuration.

Schema

interface Domain {
  id: string; // "hst..." - Unique identifier
  account_id: string; // Owning account
  hostname: string; // Domain name
  client_id: string | null; // Associated client
  cname_config: { type: "proxy" } | null;
  email_config:
    | { type: "catch-all" }
    | { type: "forward"; forward_to: Record<string, string> }
    | null;
  txt_verification_token: string; // DNS TXT record value
}

Properties

Property Type Description
id string KSUID with hst prefix
account_id string Account that owns domain
hostname string Domain name (e.g., mail.example.com)
client_id string? Associated OAuth client
cname_config object? CNAME proxy configuration
email_config object? Inbound email routing config
txt_verification_token string Token for DNS TXT verification

DNS Verification

Add TXT record to verify ownership:

Record Type Name Value
TXT _am.mail.example.com {txt_verification_token}

Verification Flow

DNSSystemAdminDNSSystemAdminRegister domainTXT verification tokenAdd TXT recordPOST /api/domains/:domain_id/checksQuery TXT recordToken foundMark verified

Example

{
  "id": "hst_2kHfPZcN9xW4mE8RtY7vB",
  "account_id": "acc_1jGePYbM8wV3lD7QsX6uA",
  "hostname": "mail.example.com",
  "client_id": null,
  "cname_config": { "type": "proxy" },
  "email_config": null,
  "txt_verification_token": "am_2abc123xyz"
}