shell:$ nslookup -timeout=2 -retry=1 'media.admob.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
media.admob.com	canonical name = adwords.l.google.com.
Name:	adwords.l.google.com
Address: 192.178.214.138
Name:	adwords.l.google.com
Address: 192.178.214.102
Name:	adwords.l.google.com
Address: 192.178.214.113
Name:	adwords.l.google.com
Address: 192.178.214.139
Name:	adwords.l.google.com
Address: 192.178.214.100
Name:	adwords.l.google.com
Address: 192.178.214.101
Name:	adwords.l.google.com
Address: 2607:f8b0:4023:141d::71
Name:	adwords.l.google.com
Address: 2607:f8b0:4023:141d::8a
Name:	adwords.l.google.com
Address: 2607:f8b0:4023:141d::64
Name:	adwords.l.google.com
Address: 2607:f8b0:4023:141d::8b