今天发现网关上的 dnsmasq 出现许多没见过的 type 65 查询(HTTPS BINDING)，查下来是 iOS14 的 iPhone 发出。
试着 dig 了一下，目前功能和 CNAME 差不多，国内 114 、百度、阿里都支持，我的联通也支持，但是 dnspod 不支持！！！
这个以后有什么用？还请知道的大佬说说？附 dig 记录
cloudflare ; <<>> DiG 9.16.3 <<>> TYPE65 su.itunes.apple.com @1.1.1.1 +nocookie ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5808 ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ;; QUESTION SECTION: ;su.itunes.apple.com. IN TYPE65 ;; ANSWER SECTION: su.itunes.apple.com. 3323 IN CNAME su-cdn.itunes-apple.com.akadns.net. su-cdn.itunes-apple.com.akadns.net. 3323 IN CNAME su-applak.itunes-apple.com.akadns.net. su-applak.itunes-apple.com.akadns.net. 23 IN CNAME su.itunes.apple.com.edgekey.net. su.itunes.apple.com.edgekey.net. 23 IN CNAME e673.dsce9.akamaiedge.net.
alidns ; <<>> DiG 9.16.3 <<>> TYPE65 su.itunes.apple.com @223.5.5.5 +nocookie ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48522 ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;su.itunes.apple.com. IN TYPE65 ;; ANSWER SECTION: su.itunes.apple.com. 60 IN CNAME su-cdn.itunes-apple.com.akadns.net. su-cdn.itunes-apple.com.akadns.net. 60 IN CNAME su-china.itunes-apple.com.akadns.net. su-china.itunes-apple.com.akadns.net. 60 IN CNAME su.itunes.apple.com.mwcname.com.
dnspod 失败 ; <<>> DiG 9.16.3 <<>> TYPE65 su.itunes.apple.com @119.29.29.29 +nocookie ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOTIMP, id: 62775 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;su.itunes.apple.com. IN TYPE65