怎么可以查到某个域名的邮箱用的哪家邮件服务提供商？

[hokman]

[yaoyao1128]

直接看 mx 记录 txt 记录 如果收到了邮件的话，看收到的邮件的详细信息也行

[yinmin]

nslookup -type=mx domain.com

[JensenQian]

ping.sx
选择 mx 记录

[BloodBlade]

mx 记录只有收件的，要看发件还得看 txt 记录。

[gtese]

点击邮件，查看邮件头原码，对方不做刻意隐藏的话，基本可以知道。

"Received: from MEYP282MB1718.AUSP282.PROD.OUTLOOK.COM (2603:10c6:220:c7::16)
by SY6P282MB3214.AUSP282.PROD.OUTLOOK.COM with HTTPS; Mon, 20 Mar 2023
02:38:44 +0000
Received: from DM6PR13CA0062.namprd13.prod.outlook.com (2603:10b6:5:134::39)
by MEYP282MB1718.AUSP282.PROD.OUTLOOK.COM (2603:10c6:220:c7::16) with
Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6222.10; Mon, 20 Mar
2023 02:38:39 +0000"