Search Engine Optimization

Whether a site can be more than one binding domain, so influential search engine?

If you have 2 domains pointing to one site you will get penalty (duplicate content), if this is just redirection no big difference. If 301 on history domain with BL's then yeap sure it will have influence.

BTW
Wrong forum

Two domains are consider as duplicate and it will create problems during search engine optimization. You can get some help from here

Search engine optimization is the procedure of the impact the visibility of the internet site in a search engine unpaid result frequently
Its can enhance your enterprise and develop rapidly inside the associated enterprise
You may use to search engine optimization to enhance your website rating
It's far the form of technique to rank your website its sorts of optimization
On-page optimization
Off-page optimization

As a general rule don’t do it, I’ve never done it myself, but I’ve known people who’ve done really well and really bad from doing it