有人有 2 个电子邮件地址: bob@domainname.com.br 和 bob@domainname.com 。这些域的 DNS 记录如下所示:
域名.com.br
$ dig any domainname.com.br
;; ANSWER SECTION:
domainname.com.br. 86179 IN SOA ns1.domainname.com.br. suporte.domainname.com.br. 2010081200 20000 4000 1409600 86400
domainname.com.br. 86179 IN MX 10 domainname.com.br.
domainname.com.br. 86179 IN A 177.39.XXX.YY
domainname.com.br. 85342 IN NS ns1.domainname.com.br.
;; AUTHORITY SECTION:
domainname.com.br. 85342 IN NS ns1.domainname.com.br.
;; ADDITIONAL SECTION:
domainname.com.br. 86179 IN A 177.39.XXX.YY
ns1.domainname.com.br. 85342 IN A 177.39.XXX.YY
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域名.com
$ dig any domainname.com
;; ANSWER SECTION:
domainname.com. 37036 IN SOA ns1.domainname.com.br. mattana.domainname.com.br. 1229685618 …
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