your site fails to communicate correctly with Jetpack

I found this error. How solve?

Thanks

It appears that your site fails to communicate correctly with Jetpack.

SELF:
Array
(
[headers] => Requests_Utility_CaseInsensitiveDictionary Object
(
[data:protected] => Array
(
[server] => nginx
[date] => Mon, 06 Nov 2017 17:43:23 GMT
[content-type] => text/plain;charset=utf-8
[expires] => Wed, 11 Jan 1984 05:00:00 GMT
[cache-control] => no-cache, must-revalidate, max-age=60
[x-hacker] => Jetpack Test
[x-ac] => 3.fra _dca
[strict-transport-security] => max-age=15552000
)

)

[body] => {“error”:”Can not resolve your domain \”A record\””,”error_description”:”We were unable to resolve the A record for your domain. It is likely that you have recently registered your domain name. It takes several hours for new or transferred domain names to start working, so please come check back later. If you’re still having the same error after 48 hours, please contact your web hosting provider.”}
[response] => Array
(
[code] => 400
[message] => Bad Request
)

[cookies] => Array
(
)

[filename] =>
[http_response] => WP_HTTP_Requests_Response Object
(
[response:protected] => Requests_Response Object
(
[body] => {"error":"Can not resolve your domain \"A record\"","error_description":"We were unable to resolve the A record for your domain. It is likely that you have recently registered your domain name. It takes several hours for new or transferred domain names to start working, so please come check back later. If you're still having the same error after 48 hours, please contact your web hosting provider."}
[raw] => HTTP/1.1 400 Bad Request
Server: nginx
Date: Mon, 06 Nov 2017 17:43:23 GMT
Content-Type: text/plain;charset=utf-8
Transfer-Encoding: chunked
Connection: close
Expires: Wed, 11 Jan 1984 05:00:00 GMT
Cache-Control: no-cache, must-revalidate, max-age=60
X-hacker: Jetpack Test
X-ac: 3.fra _dca
Strict-Transport-Security: max-age=15552000

{"error":"Can not resolve your domain \"A record\"","error_description":"We were unable to resolve the A record for your domain. It is likely that you have recently registered your domain name. It takes several hours for new or transferred domain names to start working, so please come check back later. If you're still having the same error after 48 hours, please contact your web hosting provider."}
[headers] => Requests_Response_Headers Object
(
[data:protected] => Array
(
[server] => Array
(
[0] => nginx
)

[date] => Array
(
[0] => Mon, 06 Nov 2017 17:43:23 GMT
)

[content-type] => Array
(
[0] => text/plain;charset=utf-8
)

[expires] => Array
(
[0] => Wed, 11 Jan 1984 05:00:00 GMT
)

[cache-control] => Array
(
[0] => no-cache, must-revalidate, max-age=60
)

[x-hacker] => Array
(
[0] => Jetpack Test
)

[x-ac] => Array
(
[0] => 3.fra _dca
)

[strict-transport-security] => Array
(
[0] => max-age=15552000
)

)

)

[status_code] => 400
[protocol_version] => 1.1
[success] =>
[redirects] => 0
[url] => https://jetpack.wordpress.com/jetpack.testsite/1/?url=https://lnx.sinapsi.org/wordpress/xmlrpc.php
[history] => Array
(
)

[cookies] => Requests_Cookie_Jar Object
(
[cookies:protected] => Array
(
)

)

)

[filename:protected] =>
[data] =>
[headers] =>
[status] =>
)

)

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