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Due to the distributed nature of our network, the IP address your site uses to make outbound connections will differ from the IP the domain resolves-to, and hence inbound traffic routes through.
External connections made by shared websites will appear as from either:
If you have a Scheduled Tasks/Cron Job that requires external connections, these will appear from:
However, the above addresses are subject to change. So if possible, we'd recommend whitelisting the IP range: