Mine is, apparently…
Your name server, at 65.24.7.3, appears vulnerable to DNS Cache Poisoning.
All requests came from the following source port: 38465
Do not be concerned at this time. IT administrators have only recently been apprised of this issue, and should have some time to safely evaluate and deploy a fix.
Requests seen for f7c47605c597.toorrr.com:
65.24.7.3:38465 TXID=12160
65.24.7.3:38465 TXID=20751
65.24.7.3:38465 TXID=65134
65.24.7.3:38465 TXID=32991
65.24.7.3:38465 TXID=51073
Jump out here to test yours. Use the DNS Checker on the right-hand side of the blog.