whois community.progress.com/s/profile/005Pb000000gbkj/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
community.progress.com/s/profile/005Pb000000gbkj/
checking....community.progress.com/s/profile/005Pb000000gbkj/
   $ whois community.progress.com/s/profile/005Pb000000gbkj/
No whois server is known for this kind of object.