ptr.abcom.al has no CNAME records.
Question and response
Question
dig ptr.abcom.al. NS
Answer
The response has no answer records.
Authority
abcom.al. 60 SOA dns-auth1.vodafone.al. domain-admin.abcom.com.al. 2015121111 10800 3600 1800000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0