Should this address be blocked - ad dot auditude dot com?

Flagged on Webutation and via WOT: https://www.virustotal.com/nl/url/54cfaf8e845b86a0cdb9c3588ed9f81d77d5c01e3a6b323f9f625fb9524a2e5b/analysis/1424523144/
Nothing here: http://quttera.com/detailed_report/ad.auditude.com
Unable to properly scan your site. HTTP Errors Returned.
Scan for: htxp://ad.auditude.com
Hostname: -ad.auditude.com
IP address: 63.140.35.208

System Details:
Running on: lighttpd/1.4.28
Unable to properly scan site. Site returning error (40x): HTTP/1.1 404 Not Found

Prime Ads from Adobe Systems: http://cookiepedia.co.uk/host/ad.auditude.com
Video Content Ad monetization scheme…

The discussion on the ABP forum: https://adblockplus.org/forum/viewtopic.php?t=14246&start=60

WOT hands out two red alerts: https://www.mywot.com/en/scorecard/ad.auditude.com?utm_source=addon&utm_content=popup
-ad.auditude.com is listed in OpenDNS’s Block Tool http://forums.opendns.com

polonus