Why this on my computer and router?!

Content-Type: text/html<0x0D>
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Content-Length: 345<0x0D>
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Date: Sat, 09 Jun 2018 22:37:12 GMT<0x0D>
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Server: lighttpd<0x0D>
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<?xml version="1.0" encoding="iso-8859-1"?><0x0A>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"<0x0A>
         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><0x0A>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><0x0A>

Sent from MK's iPhone

Received on Monday, 11 June 2018 19:20:36 UTC