% dig www.something.com
; <<>> DiG 9.10.6 <<>> www.something.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39709
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1280
;; QUESTION SECTION:
;www.something.com. IN A
;; ANSWER SECTION:
www.something.com. 3600 IN A 127.0.0.1
;; AUTHORITY SECTION:
something.com. 3600 IN NS ns2.westnet.com.
something.com. 3600 IN NS ns1.westnet.com.
;; Query time: 192 msec
;; SERVER: 192.168.10.1#53(192.168.10.1)
;; WHEN: Sun Jul 26 19:05:44 MSK 2020
;; MSG SIZE rcvd: 106
% dig tiretipsqa.com
; <<>> DiG 9.10.6 <<>> tiretipsqa.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48100
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1280
;; QUESTION SECTION:
;tiretipsqa.com. IN A
;; ANSWER SECTION:
tiretipsqa.com. 3600 IN A 127.0.0.1
;; AUTHORITY SECTION:
tiretipsqa.com. 3600 IN NS ns2.fozzy.com.
tiretipsqa.com. 3600 IN NS ns1.fozzy.com.
;; Query time: 88 msec
;; SERVER: 192.168.10.1#53(192.168.10.1)
;; WHEN: Sun Jul 26 19:06:28 MSK 2020
;; MSG SIZE rcvd: 101
Это было сложно проверить?)
Ну и да, не работают они. Просто кто-то тестил их на локалке, не зная про hosts файл