public Task RemoveExpiredAsync()
{
return(Task.Run(() =>
{
lock (DomainRecords)
{
var remove = new List <ResourceRecord>();
foreach (var record in DomainRecords.Where(record => record.IsExpired()))
{
remove.Add(record);
}
foreach (var record in remove)
{
DomainRecords.Remove(record);
}
}
}));
}
