shell:$ nslookup -timeout=2 -retry=1 'api-a.op-mobile.opera.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
api-a.op-mobile.opera.com	canonical name = dot-a.geo2.op-mobile.opera.com.
dot-a.geo2.op-mobile.opera.com	canonical name = trn-ads.op-mobile.opera.com.
trn-ads.op-mobile.opera.com	canonical name = trn.lb.opera.technology.
Name:	trn.lb.opera.technology
Address: 107.167.96.30
Name:	trn.lb.opera.technology
Address: 107.167.96.43
Name:	trn.lb.opera.technology
Address: 107.167.96.44
Name:	trn.lb.opera.technology
Address: 107.167.96.31
Name:	trn.lb.opera.technology
Address: 2620:117:c004:320:107:167:96:30
Name:	trn.lb.opera.technology
Address: 2620:117:c004:320:107:167:96:43
Name:	trn.lb.opera.technology
Address: 2620:117:c004:320:107:167:96:44
Name:	trn.lb.opera.technology
Address: 2620:117:c004:320:107:167:96:31