Is this tail rot?

[Gabbi]

Hi, my bearded dragon is a couple years old and noticed that the tip of his tail is darker than the rest. I did not know if I should be concerned about this being tail rot

 

[ahria]

Does this look like tail rot?

 

[ahria]

N

No it looks like shed -- its gonna be dry and brittle like its dead --

I was so worried,Thank you