[不限流量] jsdelivr似乎又可以用了

; <<>> DiG 9.19.1-1+0~20220518.77+debian11~1.gbp659152-Debian <<>> cdn.jsdelivr.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39937
;; flags: qr rd ad; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;cdn.jsdelivr.net.              IN      A

;; ANSWER SECTION:
cdn.jsdelivr.net.       0       IN      CNAME   jsdelivr.map.fastly.net.
jsdelivr.map.fastly.net. 0      IN      A       151.101.77.229

;; Query time: 10 msec
;; SERVER: 172.28.176.1#53(172.28.176.1) (UDP)
;; WHEN: Fri Jun 17 21:24:17 CST 2022
;; MSG SIZE  rcvd: 126