ns4.whatcounts.com has no CNAME records.
Question and response
Question
dig ns4.whatcounts.com. NS
Answer
The response has no answer records.
Authority
whatcounts.com. 2560 SOA ns1.whatcounts.com. hostmaster.whatcounts.com. 1770850927 16384 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0