}
    public boolean isTrustedDomain(String domain,
                    NtlmPasswordAuthentication auth) throws SmbAuthException
    {
        HashMap domains = getTrustedDomains(auth);
        if (domains == null)
            return false;
        domain = domain.toLowerCase();
        return domains.get(domain) != null;
    }
    public SmbTransport getDc(String domain,

    public boolean isTrustedDomain ( CIFSContext tf, String domain ) throws SmbAuthException {
        synchronized ( this.domainsLock ) {
            Map<String, Map<String, CacheEntry<DfsReferralDataInternal>>> domains = getTrustedDomains(tf);
            if ( domains == null )
                return false;
            domain = domain.toLowerCase(Locale.ROOT);
            return domains.get(domain) != null;
        }
    }

   * </ul>
   *
   * @param domain A domain name (not IP address)
   * @throws IllegalArgumentException if {@code domain} is not syntactically valid according to
   *     {@link #isValid}
   * @since 10.0 (previously named {@code fromLenient})
   */
  @CanIgnoreReturnValue // TODO(b/219820829): consider removing
  public static InternetDomainName from(String domain) {
    return new InternetDomainName(checkNotNull(domain));

   * </ul>
   *
   * @param domain A domain name (not IP address)
   * @throws IllegalArgumentException if {@code domain} is not syntactically valid according to
   *     {@link #isValid}
   * @since 10.0 (previously named {@code fromLenient})
   */
  @CanIgnoreReturnValue // TODO(b/219820829): consider removing
  public static InternetDomainName from(String domain) {
    return new InternetDomainName(checkNotNull(domain));

    }

    /**
     * Returns the domain in which the user has an account.
     *
     * @return A <code>String</code> containing the domain for the user.
     */
    public String getDomain() {
        return domain;
    }

    /**
     * Sets the domain for this message.
     *
     * @param domain The domain.
     */
    public void setDomain(String domain) {
        this.domain = domain;
    }

* **TCP doesn't know about "domains"**. Only about IP addresses.
    * The information about the **specific domain** requested goes in the **HTTP data**.
* The **HTTPS certificates** "certify" a **certain domain**, but the protocol and encryption happen at the TCP level, **before knowing** which domain is being dealt with.

    }


    /**
     * Returns the domain in which the user has an account.
     *
     * @return A <code>String</code> containing the domain for the user.
     */
    public String getDomain () {
        return this.domain;
    }


    /**
     * Sets the domain for this message.
     *
     * @param domain
     *            The domain.
     */
    public void setDomain ( String domain ) {

                final Map<String, String> map = ParameterUtil.parse(fileAuth.getParameters());
                final String domain = map.get("domain");
                smbAuth.setDomain(domain == null ? StringUtil.EMPTY : domain);
                smbAuth.setServer(fileAuth.getHostname());
                smbAuth.setPort(fileAuth.getPort() == null ? -1 : fileAuth.getPort());

Example:

```sh
export MINIO_DOMAIN=mydomain.com
minio server /data
```

For advanced use cases `MINIO_DOMAIN` environment variable supports multiple-domains with comma separated values.

```sh
export MINIO_DOMAIN=sub1.mydomain.com,sub2.mydomain.com
minio server /data
```

## Explore Further

* **TCP weiß nichts über „<abbr title="Domäne, Bereich, Wirkungsraum">Domains</abbr>“**. Nur über IP-Adressen.
    * Die Informationen über die angeforderte **spezifische Domain** befinden sich in den **HTTP-Daten**.
* Die **HTTPS-Zertifikate** „zertifizieren“ eine **bestimmte Domain**, aber das Protokoll und die Verschlüsselung erfolgen auf TCP-Ebene, **ohne zu wissen**, um welche Domain es sich handelt.