Same problem;  tons of: 
	"Error while registering computer:SOAP 1.1 fault SOAP-ENV:Server[no subcode]#012"Try Again"#012Detail: get host by name failed in tcp_connect()" 
	in my logfile.
 
	===
 
	dig ws0.pulseway.com
 
	; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.1 <<>> ws0.pulseway.com 
	;; global options: +cmd 
	;; Got answer: 
	;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5223 
	;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0
 
	;; QUESTION SECTION: 
	;ws0.pulseway.com.        IN    A
 
	;; ANSWER SECTION: 
	ws0.pulseway.com.    14464    IN    CNAME    lb.pulseway.com. 
	lb.pulseway.com.    14464    IN    A    69.65.47.165 
	lb.pulseway.com.    14464    IN    A    69.65.47.163
 
	;; Query time: 19 msec 
	;; SERVER: 10.22.2.254#53(10.22.2.254) 
	;; WHEN: Tue Oct 23 12:21:49 2018 
	;; MSG SIZE  rcvd: 83
 
	===