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# System prepended metadata

title: Gateway requirements

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# Gateway requirements
- dnslink support
- ssl on subdomains

#### Gateways that match our requirements (and are fast):

- dweb.link
- cf-ipfs.com

#### Future gateways to support
- nftstorage.link (cf dns does not support nested wildcard domains unless on enterprise plan) 
- pinata(order of magnitude slower)
- iroh (waiting to hear back from n0 team on status)

Questions:
Lets get some user research on these.

- Why are there [81 gateways listed](https://ipfs.github.io/public-gateway-checker/) and only 23 online? 
- Why doesn't ipfs.io support ssl on subdomains?
- Why do less than a 3rd of online gateways support ssl on subdomains?
- How do these gateways get out of sync and not support all of the desired features?
- What is cf-ipfs gateway implementation? Did they roll their own? Is it open source?
- There are a couple of online gateways that do not support cors fetch, why?
- What is the story/status of kubo gateway? (I'll bug lidel about this)