Dietpi_vpn not working if killswitch enabled for custom server

Troubleshooting
6

I got this response

; <<>> DiG 9.16.33-Raspbian <<>> dietpi.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33452
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 202a76600d58c79101dcdc4763cb4a36e57cb4d4e422c019 (good)
;; QUESTION SECTION:
;dietpi.com.                    IN      A

;; ANSWER SECTION:
dietpi.com.             182     IN      A       104.21.28.141
dietpi.com.             182     IN      A       172.67.170.219

;; Query time: 100 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Sat Jan 21 07:43:11 IST 2023
;; MSG SIZE  rcvd: 99