We've encoutered the following problem in our mobile apps.DNS changes ip adress for urls.api.twitter.comWhen DNS provides ip 188.8.131.52 we get Fastly error: unknown domain: urls.api.twitter.com Please check that this domain has been added to a service. This causes crashes for users of our mobile apps.When DNS provides 184.108.40.206 everything is ok.
urls.api.twitter.com is not a valid or supported API host. If you were using the unsupported share count endpoint, note that it was withdrawn and the URL shut down in November.
You should modify your code to not include references to that domain.