public void setHostname(String hostname) {
        this.hostname = hostname;
    }
<p>
The DNS hostname.- For example, <code>domain.example.com</code>.
</p>

@param hostname
       The DNS hostname.- For example, <code>domain.example.com</code>.
aws-java-sdk-workmail/src/main/java/com/amazonaws/services/workmail/model/DnsRecord.java