shell:$ nslookup -timeout=2 -retry=1 'trk.iecl.com'
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
trk.iecl.com canonical name = mkto-sn020133.com.
Name: mkto-sn020133.com
Address: 104.17.71.206
Name: mkto-sn020133.com
Address: 104.17.73.206
Name: mkto-sn020133.com
Address: 104.17.70.206
Name: mkto-sn020133.com
Address: 104.17.72.206
Name: mkto-sn020133.com
Address: 104.17.74.206
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