Hi
The 127.0.0.1 and localhost are important, move your hostname and fqdn to 127.0.0.2 instead.

It all resolves here, so it must be your DNS servers that are the issue....

Code:
nslookup sapecc.chandra.com

Server:		192.168.10.3
Address:	192.168.10.3#53

Non-authoritative answer:
Name:	sapecc.chandra.com
Address: 64.99.80.121

dig sapecc.chandra.com @8.8.8.8

; <<>> DiG 9.11.2 <<>> sapecc.chandra.com @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43799
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;sapecc.chandra.com.		IN	A

;; ANSWER SECTION:
sapecc.chandra.com.	299	IN	A	64.99.80.121

;; Query time: 114 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sat Oct 19 11:10:16 CDT 2019
;; MSG SIZE  rcvd: 63