Using "rndname.dnsp.co"

rndname.dnsp.co returns a random CNAME record and a valid A record for said random CNAME. Might show something if you suspect CNAMEs are being cached.


Example:

prompt> dig rndname.dnsp.co ; <<>> DiG 9.5.0-P2 <<>> rndname.dnsp.co ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 195 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;rndname.dnsp.co. IN A ;; ANSWER SECTION: rndname.dnsp.co. 0 IN CNAME BVHrjwkIQbjsnyGWywDAeFfGAFrHiFiqTuyYErNd.rndname.dnsp.co. BVHrjwkIQbjsnyGWywDAeFfGAFrHiFiqTuyYErNd.rndname.dnsp.co. 0 IN A 123.45.67.89 ;; Query time: 117 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Mon Dec 22 02:53:28 2014 ;; MSG SIZE rcvd: 104