Facebook issue with posting link

Hope you are doing well I have one facebook page http://ift.tt/1sgufPR

while I have post link on facebook page at time given error security code "A Link in Your Post Might Be Unsafe It looks like your post contains a link that might be unsafe:

omercado.net
http://ift.tt/19F2g8I

Please remove this link from your post or enter the security code below if you’re sure you want to include it."

Can you help me.

I want to removed security code.

Hope to hear from you soon!!!

Thanks