目测自建
域名在万网/阿里云
邮件服务器在巨硬(中国)
$ dig @8.8.8.8 acrosh.com ANY
; <<>> DiG 9.16.1-Ubuntu <<>> @8.8.8.8 acrosh.com ANY
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31547
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;acrosh.com. IN ANY
;; ANSWER SECTION:
acrosh.com. 21599 IN NS dns16.hichina.com.
acrosh.com. 21599 IN NS dns15.hichina.com.
acrosh.com. 3599 IN MX 1 acrosh-com.mail.protection.partner.outlook.cn.
acrosh.com. 3599 IN TXT "v=spf1 include:spf.protection.partner.outlook.cn -all"
acrosh.com. 3599 IN TXT "MS=ms64466996"
;; Query time: 252 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Jul 07 19:06:52 CDT 2021
;; MSG SIZE rcvd: 240