shell:$ nslookup -timeout=2 -retry=1 'ultimateota.d.miui.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
ultimateota.d.miui.com	canonical name = ultimateota.d.miui.com.mgslb.com.
ultimateota.d.miui.com.mgslb.com	canonical name = d2bfhrdn0pryml.cloudfront.net.
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 108.156.172.7
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 108.156.172.87
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 108.156.172.44
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 108.156.172.14
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:e00:1:7dd4:4340:93a1
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:c00:1:7dd4:4340:93a1
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:200:1:7dd4:4340:93a1
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:3400:1:7dd4:4340:93a1
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:b800:1:7dd4:4340:93a1
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:4c00:1:7dd4:4340:93a1
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:3e00:1:7dd4:4340:93a1
Name:	d2bfhrdn0pryml.cloudfront.net
Address: 2600:9000:24f7:ac00:1:7dd4:4340:93a1