shell:$ nslookup -timeout=2 -retry=1 'u.1ka.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	u.1ka.com
Address: 185.88.181.4
Name:	u.1ka.com
Address: 185.88.181.10
Name:	u.1ka.com
Address: 185.88.181.11
Name:	u.1ka.com
Address: 185.88.181.6
Name:	u.1ka.com
Address: 185.88.181.3
Name:	u.1ka.com
Address: 185.88.181.5
Name:	u.1ka.com
Address: 185.88.181.7
Name:	u.1ka.com
Address: 185.88.181.22
Name:	u.1ka.com
Address: 185.88.181.21
Name:	u.1ka.com
Address: 185.88.181.8
Name:	u.1ka.com
Address: 185.88.181.9
Name:	u.1ka.com
Address: 185.88.181.2