Premium blogger guest post... is it good?

Hello
Few days ago I sent various email asking for a guest post.
Only one guy accepted my request.
The website is of course niche related (majestic confirm this too), 30 DA, 25 TF and 90 backlinks...
After deep research I just notice this guy changed his 2.0 domain into a standard domain but without leave blogspot hosting.
So let's say his site was example.blogspot.com now is www.example.com but if you take a look at the source page you can find everywhere reference to blogspot (for example there is a link to his blogger profile).

My question is: Is it actually good and count as a standard guestpost? Or is would be just as a 2.0s backlink?
As I said the domain is in the following format: www.example.com

Well it depends how big is the site, if you just make a site on blogger using the domain and you add like a pbn few posts then would work but, google will see it as Web2.0 if you make a blog with lots of posts, social signals and some traffic then it might become more than that but, this is me thinking outside the box nothing sure.

The webmaster has worked in this site from 2008 (when still it was just a 2.0 at that time) and then he bought a standard domain since 2011.
There are around 600 post in his blog

Unless you are paying what have you got to lose? It's not gonna hurt your rank.

You got some authority from that also , but it doesn't give huge impact in the result .

Shingau said:

The website is of course niche related (majestic confirm this too), 30 DA, 25 TF and 90 backlinks...
My question is: Is it actually good and count as a standard guestpost? Or is would be just as a 2.0s backlink?
As I said the domain is in the following format: www.example.com

Click to expand...

I bet you wouldn't be asking this many questions if a similar website was mentioned in a BST and it was being sold for some $$'s
Appreciate the fact that you have a webmaster with a reasonable site willing to take a guest post for free.

If the site is REAL and not a glorified PBN then a niche authority guest post is valuable. Yes.

-ThopHayt