also www or no www doesn't make a difference. both point to the same server:
; <<>> DiG 9.11.2 <<>> www.electrum.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43124
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.electrum.org. IN A
;; ANSWER SECTION:
www.electrum.org. 10800 IN CNAME electrum.org.
electrum.org. 1800 IN A 176.9.76.164
;; Query time: 178 msec
;; SERVER: 208.67.220.220#53(208.67.220.220)
;; WHEN: Sat Mar 30 15:14:13 PKT 2019
;; MSG SIZE rcvd: 75
You ask a lot of questions jerry0. You need to learn to learn on your own.