Dig command
9/15/2017, 3:23:26
"dig cls-limit.prod.apps.cs.sgp.xxx.com"
 
9/15/2017, 3:23:26
; <<>> DiG 9.11.1-P1 <<>> cls-limit.prod.apps.cs.sgp.xxx.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35421
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
 
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;cls-limit.prod.apps.cs.sgp.xxx.com. IN   A
 
;; ANSWER SECTION:
cls-limit.prod.apps.cs.sgp.xxx.com. 28800 IN CNAME prod.apps.cs.gtment.xxx.com.
prod.apps.cs.gtment.xxx.com. 7               IN           A             10.70.200.8
 
;; Query time: 0 msec
;; SERVER: 10.80.114.8#53(10.80.114.8)
;; WHEN: Fri Sep 15 07:23:26 UTC 2017
;; MSG SIZE  rcvd: 113

 
9/15/2017, 3:14:49
"ping -c 1 cls-limit.prod.apps.cs.sgp.xxx.com"
9/15/2017, 3:14:54
PING cls-limit.prod.apps.cs.sgp.xxx.com (10.70.200.8): 56 data bytes
64 bytes from 10.70.200.8: seq=0 ttl=253 time=0.702 ms
 
--- cls-limit.prod.apps.cs.sgp.xxx.com ping statistics ---
1 packets transmitted, 1 packets received, 0% packet loss
round-trip min/avg/max = 0.702/0.702/0.702 ms

 
nslookup command got update with bind utils module, new output (no delay here, but error thrown)
9/15/2017, 3:18:24
"nslookup cls-limit.prod.apps.cs.sgp.xxx.com"
9/15/2017, 3:18:24
string[301]
Server:                 10.80.114.8
Address:              10.80.114.8#53
 
cls-limit.prod.apps.cs.sgp.xxx.com           canonical name = prod.apps.cs.gtment.xxx.com.
Name:  prod.apps.cs.gtment.xxx.com
Address: 10.70.201.8
;; Got SERVFAIL reply from 10.80.114.8, trying next server
** server can't find prod.apps.cs.gtment.xxx.com: SERVFAIL
 
host command
 
9/15/2017, 3:21:11
"host cls-limit.prod.apps.cs.sgp.xxx.com"
9/15/2017, 3:21:11
cls-limit.prod.apps.cs.sgp.xxx.com is an alias for prod.apps.cs.gtment.xxx.com.
prod.apps.cs.gtment.xxx.com has address 10.70.201.8
Host prod.apps.cs.gtment.xxx.com not found: 2(SERVFAIL)
Host prod.apps.cs.gtment.xxx.com not found: 2(SERVFAIL)
 
Host -v command
 
9/15/2017, 3:22:11
"host -v cls-limit.prod.apps.cs.sgp.xxx.com"
 
9/15/2017, 3:22:11
Trying "cls-limit.prod.apps.cs.sgp.xxx.com"
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50822
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
 
;; QUESTION SECTION:
;cls-limit.prod.apps.cs.sgp.xxx.com. IN   A
 
;; ANSWER SECTION:
cls-limit.prod.apps.cs.sgp.xxx.com. 28800 IN CNAME prod.apps.cs.gtment.xxx.com.
prod.apps.cs.gtment.xxx.com. 17             IN           A             10.70.201.8
 
Received 102 bytes from 10.80.114.8#53 in 0 ms
Trying "prod.apps.cs.gtment.xxx.com"
Host prod.apps.cs.gtment.xxx.com not found: 2(SERVFAIL)
Received 45 bytes from 10.81.112.8#53 in 1 ms
Trying "prod.apps.cs.gtment.xxx.com"
Host prod.apps.cs.gtment.xxx.com not found: 2(SERVFAIL)
Received 45 bytes from 10.81.112.8#53 in 1 ms