I opened a case with Amazon
Are you sure Amazon is responsible? I mainly see Akamai as a CDN here. But maybe it's different, depending on the source IP address...
$ dig +short www.klm.com www.klm.com.edgekey.net. e40771.a.akamaiedge.net. 80.67.82.17 80.67.82.16
$ dig +short www.easyjet.com www.easyjet.com.edgekey.net. e6158.x.akamaiedge.net. 2.20.17.112
For Akamai, this may be of interest: https://www.akamai.com/us/en/clientrep-lookup/