shell:$ nslookup -timeout=2 -retry=1 'log.sms.mob.com'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
log.sms.mob.com canonical name = auth.dlb.mob.com.
Name: auth.dlb.mob.com
Address: 103.143.17.149
Name: auth.dlb.mob.com
Address: 103.143.17.148
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