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HTTP/2 200 content-type: text/html content-length: 7449 last-modified: Thu, 13 May 2021 21:36:40 GMT server: AmazonS3 date: Thu, 10 Feb 2022 07:06:39 GMT etag: "1b1173de3494fb951ac3096fb445c95b" vary: Accept-Encoding x-cache: Hit from cloudfront via: 1.1 ba93d64cb248ed4a264c9ee401175456.cloudfront.net (CloudFront) x-amz-cf-pop: EWR52-C4 x-amz-cf-id: TzP7Unf-7RxXtZrAZH7zOoNeyG8h5-c1LQU6X9Qydw4ipvyoAxQ1rg== age: 1758
The DNS is up. We have tried pinging Doi.org. There are no DNS Issues detected!
We have tried pinging Doi.org using our servers and the Doi.org server responded on time, indicating that there are no current Doi.org problems today.
If Doi.org is down for you too, the server might be overloaded or unreachable because of network problems, outages or a website maintenance is in progress.
If Doi.org is UP for us but you cannot access it, try these solutions: