Your main criterions

Thanks for your reply

What about metrics on it ?

I mean Old year, backlinks ...

What is your criterions about that ?

Those criteria you mention are important if you are buying a domain to develop and utilize for SEO services. They hold temporary value for the domain sale (a domain flipp), but are not crucial as they are temporary...

https://www.zandibot.com/ultimate-guide-to-developing-valuation-instincts this should help, rest skills will develop as you progress in your career via experience.

Another thread which might be valuable: https://www.namepros.com/threads/how-to-choose-valuable-domain-names.879812/