whois https://www.flickr.com/photos/193465573@N05/51581151191/in/dateposted-public/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
https://www.flickr.com/photos/193465573@N05/51581151191/in/dateposted-public/
checking....https://www.flickr.com/photos/193465573@N05/51581151191/in/dateposted-public/
   $ whois https://www.flickr.com/photos/193465573@N05/51581151191/in/dateposted-public/
No whois server is known for this kind of object.