I have recently added a monitoring check which does a verification of the expiration date. It's a check which I took from the Nagios web site, it runs a whois command and parses the expiration dates.
We are checking more then 50 domains, and it work well so far, apart from the domain registered with you. I thought that you're not compliant, because you're the only one who's not showing these information, but there may be a reason behind.
This is the list of domains that we've registered with you: