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CDN inconsistancies

It’s been multiple times we’re noticing inconsistencies between regions.

This time it’s about

It published on almost any CDNs and replies 200. However our CI server has no luck and is on one of those CDN endpoint behaving differently :
US :

root@git002:~# wget -O /dev/null 
--2019-05-02 06:45:41--
Resolving (,,, ...
Connecting to (||:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2019-05-02 06:45:41 ERROR 404: Not Found.

BE :

 --2019-05-02 12:46:46--
Resolving ( 2606:4700::6810:1a23, 2606:4700::6810:1b23, 2606:4700::6810:1223, ...
Connecting to (|2606:4700::6810:1a23|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 48720 (48K) [application/octet-stream]
Saving to: ‘/dev/null’

/dev/null                                            100%[=====================================================================================================================>]  47.58K  --.-KB/s    in 0.03s   

2019-05-02 12:46:47 (1.55 MB/s) - ‘/dev/null’ saved [48720/48720]

This is breaking continuous integration across regions since regional developer expectations are not met on remote integration services.

Are we missing something to make builds repeatable ?