On Tuesday 26th May, we upgraded Envoyer's "health check" servers in NYC, London, and Singapore.
Due to the upgrades, the service now operates from three new IP addresses. We have documented the new server IPs here: https://envoyer.io/docs
For convenience, the new IP addresses are also listed below:
New York: 198.199.84.22
London: 167.71.140.19
Singapore: 167.71.208.72