ptr.abcom.al has no NS records.
NS records for this zone are defined at abcom.al.
NS records for this zone are defined at abcom.al.
Question and response
Question
dig ptr.abcom.al. NS
Answer
The response has no answer records.
Authority
abcom.al. 60 SOA dns-auth2.vodafone.al. domain-admin.abcom.com.al. 2015121111 10800 3600 1800000 86400
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0