=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
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Expires: Mon, 01 Jan 1990 00:00:00 GMT
Date: Mon, 29 Jul 2019 00:04:58 GMT
Content-Length: 253412
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Request headers
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Referer: https://ssdp.org
Connection: close


Link is valid.