96.127.72.218.
Question and response
Question
dig usgw1.hec.checkpoint-gov.com. PTR
Answer
usgw1.hec.checkpoint-gov.com. 300 PTR 96.127.72.218.
Authority
hec.checkpoint-gov.com. 172800 NS ns-1222.awsdns-24.org.
hec.checkpoint-gov.com. 172800 NS ns-1713.awsdns-22.co.uk.
hec.checkpoint-gov.com. 172800 NS ns-530.awsdns-02.net.
hec.checkpoint-gov.com. 172800 NS ns-8.awsdns-01.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0