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Excessive DNS lookups from sophosxl.net

I noticed on my DNS server that sophos does a lot of lookups to subdomains on sophosxl.net
We use OpenDNS for our employees, and we were getting to our limit because of this.  I have since moved the querys to googleDNS, but would like some more info on why sophos does so many lookups to these domains.  Is it a reverse DNS lookup to check websites?

1     *.ip.00.s.sophosxl.net  Actions      293,593
2     *.ip.01.s.sophosxl.net  Actions      196,023
3     *.ip.02.s.sophosxl.net  Actions      195,297
                                                          Total 684,913 in one week

:11957


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  • I just came across the same issue SEC 5.1 with 10.2 Clients, we have around 100000 requests to

    http://http.**.s.sophosxl.net and turning off Live protection and / or web-control does NOT fix this issue.

    We have our own List of "Blocked" Websites so we dont want this behaviour and cant seem to get rid of these "online checks".

    :39701
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  • I just came across the same issue SEC 5.1 with 10.2 Clients, we have around 100000 requests to

    http://http.**.s.sophosxl.net and turning off Live protection and / or web-control does NOT fix this issue.

    We have our own List of "Blocked" Websites so we dont want this behaviour and cant seem to get rid of these "online checks".

    :39701
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