Ошибка отсутствует ')' символ grub

whois не является правильным инструментом для поиска адресов, и в основном это касается доменных имен. Чтобы найти IP-адреса, используйте nslookup или dig или даже ping:

>dig sbux-portal.globalreachtech.com

; <<>> DiG 9.10.3-P4-Ubuntu <<>> sbux-portal.globalreachtech.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36541
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 4, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;sbux-portal.globalreachtech.com. IN    A

;; ANSWER SECTION:
sbux-portal.globalreachtech.com. 14121 IN CNAME sbux-portal.odyssys.net.
sbux-portal.odyssys.net. 1521   IN      CNAME   wlb1.us-east-1.sbux-portal.globalreachtech.com.
wlb1.us-east-1.sbux-portal.globalreachtech.com. 14121 IN CNAME wlb1-1579773356.us-east-1.elb.amazonaws.com.
wlb1-1579773356.us-east-1.elb.amazonaws.com. 1521 IN A 52.55.178.64
wlb1-1579773356.us-east-1.elb.amazonaws.com. 1521 IN A 34.233.215.66

;; AUTHORITY SECTION:
us-east-1.elb.amazonaws.com. 1214 IN    NS      ns-1119.awsdns-11.org.
us-east-1.elb.amazonaws.com. 1214 IN    NS      ns-1793.awsdns-32.co.uk.
us-east-1.elb.amazonaws.com. 1214 IN    NS      ns-235.awsdns-29.com.
us-east-1.elb.amazonaws.com. 1214 IN    NS      ns-934.awsdns-52.net.

;; Query time: 59 msec
;; SERVER: 127.0.1.1#53(127.0.1.1)
;; WHEN: Mon Apr 09 21:50:10 CEST 2018
;; MSG SIZE  rcvd: 346

>nslookup sbux-portal.globalreachtech.com
Server:         127.0.1.1
Address:        127.0.1.1#53

Non-authoritative answer:
sbux-portal.globalreachtech.com canonical name = sbux-portal.odyssys.net.
sbux-portal.odyssys.net canonical name = wlb1.us-east-1.sbux-portal.globalreachtech.com.
wlb1.us-east-1.sbux-portal.globalreachtech.com  canonical name = wlb1-1579773356.us-east-1.elb.amazonaws.com.
Name:   wlb1-1579773356.us-east-1.elb.amazonaws.com
Address: 52.55.178.64
Name:   wlb1-1579773356.us-east-1.elb.amazonaws.com
Address: 34.233.215.66

>ping -c 1 sbux-portal.globalreachtech.com
PING wlb1-1579773356.us-east-1.elb.amazonaws.com (34.233.215.66) 56(84) bytes of data.
^C
--- wlb1-1579773356.us-east-1.elb.amazonaws.com ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

(ping дополнительно подтвердите, доступна ли сторона, но не получение ответа также может означать, что сайт не отвечает на запросы ping).