Google chrome Chrome从CloudFront主动缓存字体

我一直在调查为什么Chrome没有看到我最近添加到此资源的

访问控制允许源代码：

响应头：

curl --head https://d1j0ipfc4bt9kq.cloudfront.net/classic/resources/font-pictos/fonts/pictos-web.ttf
HTTP/1.1 200 OK
Content-Type: application/octet-stream
Content-Length: 18276
Connection: keep-alive
Server: nginx
Date: Sun, 13 Aug 2017 12:05:51 GMT
Last-Modified: Sat, 08 Aug 2015 06:28:16 GMT
ETag: "55c5a180-4764"
Access-Control-Allow-Origin: *
Accept-Ranges: bytes
Age: 4992
X-Cache: Hit from cloudfront
Via: 1.1 ce5d7dfdbc1039d2bdb26d1c19b174ea.cloudfront.net (CloudFront)
X-Amz-Cf-Id: xvs12zJ2IwAKOH8dSbSVj1TPRARt4-HuCT1ZeEatt6tl-6Q-4UMIEQ==

我从一开始就清除了所有Chrome缓存，打开

chrome://net-internals/#events

并在单独的选项卡中点击上述URL。相应网络事件条目中的相关位为：

6327: URL_REQUEST
https://d1j0ipfc4bt9kq.cloudfront.net/classic/resources/font-pictos/fonts/pictos-web.ttf
Start Time: 2017-08-14 01:37:40.002
...........
t=21301 [st=195]        HTTP_TRANSACTION_READ_RESPONSE_HEADERS
                        --> HTTP/1.1 200 OK
                            Content-Type: application/octet-stream
                            Content-Length: 18276
                            Connection: keep-alive
                            Server: nginx
                            Date: Thu, 27 Jul 2017 05:58:47 GMT
                            Last-Modified: Sat, 08 Aug 2015 06:28:16 GMT
                            ETag: "55c5a180-4764"
                            Accept-Ranges: bytes
                            Age: 1496333
                            X-Cache: Hit from cloudfront
                            Via: 1.1 453ad64bd65746737c752d43554e5f9b.cloudfront.net (CloudFront)
                            X-Amz-Cf-Id: P-PMp23gDI5JCzqjNvsDa1SOQ8pXMDtNp27pKDGYar9R9IhOuGCxpQ==
...........

如您所见，Chrome正在“接收”一个17天前的响应，该响应尚未包含

访问控制允许源代码：

标题

该响应来自哪个缓存以及如何清除它？我使用的是Chrome60.0.3112.90（官方版本）（64位）。我在想，我的计算机和CloudFront之间是否可以有缓存代理，但HTTPS排除了这一点