Ran into a user agent from DNSRight today that claimed to be some link check tool that doesn't appear on their site.
188.8.131.52 "GET / "So I ran some of their other tools that don't identify themselves at all.
"http://www.dnsright.com/" "DNSRight.com WebBot Link Ckeck Tool. Report abuse to: firstname.lastname@example.org"
184.108.40.206 "GET / HTTP/1.1" "-" "-"They host this mess at cari.net so just block 'em.
OrgName: California Regional Intranet, Inc.No more DNS Right or Left, it's now DNS Gone.
NetRange: 220.127.116.11 - 18.104.22.168