最終更新:2024-03-01 (金) 12:46:24 (48d)  

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特定のドメイン宛ての電子メールをどのメールサーバーに転送すればいいかを指定

RFC

  • RFC 1035?
  • RFC 7505?
↑

確認

↑

dig 

  • dig MX example.com

; <<>> DiG 9.18.24-1-Debian <<>> MX example.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33563
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 5

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;example.com.			IN	MX

;; ANSWER SECTION:
example.com.		86400	IN	MX	0 .

;; AUTHORITY SECTION:
example.com.		11190	IN	NS	b.iana-servers.net.
example.com.		11190	IN	NS	a.iana-servers.net.

;; ADDITIONAL SECTION:
a.iana-servers.net.	25442	IN	AAAA	2001:500:8f::53
b.iana-servers.net.	25442	IN	AAAA	2001:500:8d::53
a.iana-servers.net.	25442	IN	A	199.43.135.53
b.iana-servers.net.	25442	IN	A	199.43.133.53



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