google detecting tier 2 backlinks in search console – How ?

hi

i build a few test backlinks to a fresh new site. It was like this

gsa spam >> 301 redirects (bitly, owly …) >> Web 2 Profile links >> MS

the site is added to search console.
suprisingly :

1. none of the web 2 profiles are indexed.
2. all the 301 redirect urls i.e. bitly, owly are all showing in search console of MS.
but none of the web 2 profile links show in search console.
how ?

is the super algo now able to detect buffer pages …
in that case google might directly consider the…

google detecting tier 2 backlinks in search console – How ?