NS官方邮箱系统正式版(V2)

china被注册了，如果以后注册这种，是否会被回收。

太强了

来看看

yes!

支持下

来看看

$ drill mx seek.li
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 49780
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; seek.li.	IN	MX

;; ANSWER SECTION:
seek.li.	300	IN	MX	10 mail.seek.li.

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:

;; Query time: 178 msec
;; SERVER: 127.0.0.53
;; WHEN: Thu Mar 12 23:04:37 2026
;; MSG SIZE  rcvd: 46

没有backup mx server不太美丽，建议像狠人gmail.com那样来4个backup mx server

见https://www.nodeseek.com/post-638640-2#17:

你需要冗余，多来几个backup mx server啊，你菜还怪自建邮局，自建邮局有什么错？

• https://mailserverguru.com/primary-backup-mx-server/
• https://help.smartertools.com/smartermail/current/topics/systemadmin/misc/backupmx
• https://www.google.com/search?q=site%3Anodeseek.com+sv6cr+backup+mx+server

我自建的邮局就有1个backup mx server, kernel.org有2个，gmail.com最狠有4个，archlinux.org最摆烂一个都没有：

[xyz@xyzinsp ~]$ drill mx flylightning.xyz
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 31547
;; flags: qr rd ra ; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; flylightning.xyz.	IN	MX

;; ANSWER SECTION:
flylightning.xyz.	512	IN	MX	10 mail2.flylightning.xyz.
flylightning.xyz.	512	IN	MX	0 mail.flylightning.xyz.

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:

;; Query time: 199 msec
;; SERVER: 127.0.0.53
;; WHEN: Thu Mar  5 22:11:23 2026
;; MSG SIZE  rcvd: 77
[xyz@xyzinsp ~]$ drill mx kernel.org
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 13488
;; flags: qr rd ra ; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; kernel.org.	IN	MX

;; ANSWER SECTION:
kernel.org.	240	IN	MX	10 smtp3.kernel.org.
kernel.org.	240	IN	MX	10 smtp1.kernel.org.
kernel.org.	240	IN	MX	10 smtp2.kernel.org.

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:

;; Query time: 0 msec
;; SERVER: 127.0.0.53
;; WHEN: Thu Mar  5 22:11:27 2026
;; MSG SIZE  rcvd: 94
[xyz@xyzinsp ~]$ drill mx archlinux.org
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 21582
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; archlinux.org.	IN	MX

;; ANSWER SECTION:
archlinux.org.	3600	IN	MX	10 mail.archlinux.org.

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:

;; Query time: 347 msec
;; SERVER: 127.0.0.53
;; WHEN: Thu Mar  5 22:11:32 2026
;; MSG SIZE  rcvd: 52
[xyz@xyzinsp ~]$ drill mx gmail.com
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 2783
;; flags: qr rd ra ; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; gmail.com.	IN	MX

;; ANSWER SECTION:
gmail.com.	2130	IN	MX	20 alt2.gmail-smtp-in.l.google.com.
gmail.com.	2130	IN	MX	5 gmail-smtp-in.l.google.com.
gmail.com.	2130	IN	MX	30 alt3.gmail-smtp-in.l.google.com.
gmail.com.	2130	IN	MX	10 alt1.gmail-smtp-in.l.google.com.
gmail.com.	2130	IN	MX	40 alt4.gmail-smtp-in.l.google.com.

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:

;; Query time: 197 msec
;; SERVER: 127.0.0.53
;; WHEN: Thu Mar  5 22:11:52 2026
;; MSG SIZE  rcvd: 150

来啦