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mnordhoff | 4 years ago

"Because of this Cloudflare’s 1.1.1.1 DNS resolver could no longer respond to queries asking for the IP address of facebook.com or instagram.com."

The instagram.com zone itself uses a third-party DNS service and didn't go down. (But e.g. www.instagram.com is a CNAME to a zone on FB DNS.)

discuss

yftsui|4 years ago

That’s pretty much why during the downtime visit instagram.com showed a 503 from AWS instead.

mschuster91|4 years ago

Wonder why they're still using AWS given that FB operates its own data centers...

jgrahamc|4 years ago

Thanks. I'll correct that.