public static bool IsCnameSettedUpCorrectForDomain(string domain_name, string cname, string alias_name, ILogger logger = null)
{
try
{
var domain_alias = String.Format("{0}.{1}", cname, domain_name);
var alias_host = DnsClient.LookupHost(domain_alias);
var needed_host = DnsClient.LookupHost(alias_name);
if (alias_host == null || needed_host == null)
{
throw new ArgumentException("Can't find host. Wait for dns updating.");
}
return(alias_host[0].Equals(needed_host[0]) && alias_host.Length == needed_host.Length);
}
catch (Exception ex)
{
if (logger != null)
{
logger.Debug("DnsClient.LookupHost: domain: '{0}' cname: '{1}' alias: '{2}'\r\nException: {3}",
domain_name, cname, alias_name, ex.ToString());
}
return(false);
}
}