kakulay.blog.com is a 7 character word. It is a good domain length and you should make sure that your domain name is easy for people to type and remember.
Top Level Domain
kakulay.blog.com is still good but not best as same as .com. This is designed to target a specific country or audience. Remember that you can lose some web traffic to .com version of the domain because people tend to type .com more than any TLD.
kakulay is not a dictionary word but it contains dictionary words. Dictionary is most important to people because they will remember better with dictionary words. This domain is contained with ula
Distinctivity is the most important factor of all. The domain name kakulay.blog.com has a poor distinctivity factor. kakulay.blog.com makes a poor domain name. Majority of users will not be able to come back to your website because they cannot rememeber the domain name or have problem typing kakulay.blog.com.