Google vs AdGuard
建立於 差異永不過期
~ $ dig A doesntexistajbehsjdhw @8.8.8.8 #Google (doesn't)
~ $ dig A doesntexistajbehsjdhw @94.140.14.14 # AdGuard DNS (blocks ads)
; <<>> DiG 9.16.11 <<>> A doesntexistajbehsjdhw @8.8.8.8
; <<>> DiG 9.16.11 <<>> A doesntexistajbehsjdhw @94.140.14.14
;; global options: +cmd
;; global options: +cmd
;; Got answer:
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38839
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55121
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;; QUESTION SECTION:
;doesntexistajbehsjdhw. IN A
;doesntexistajbehsjdhw. IN A
;; AUTHORITY SECTION:
;; AUTHORITY SECTION:
. 85726 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2022091202 1800 900 604800 86400
. 3600 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2022091202 1800 900 604800 86400
;; Query time: 50 msec
;; Query time: 153 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; SERVER: 94.140.14.14#53(94.140.14.14)
;; WHEN: Mon Sep 12 22:54:33 EDT 2022
;; WHEN: Mon Sep 12 22:56:32 EDT 2022
;; MSG SIZE rcvd: 12
;; MSG SIZE rcvd: 125