我在其真实 IP 上完全重新安装了debian9-ispconfig3服务器（该服务器之前安装在我不再使用的 IP FAILOVER上）。ks392200.kimsufi.com176.31.109.2687.98.160.188
这是虚拟主机的 DNS 区域：
root@ns1:/etc/postfix# cat /etc/bind/pri.webologix.com
$TTL 600
@ IN SOA ks392200.kimsufi.com. unemail@noname.com. (
2018042411 ; serial, todays date + todays serial #
7200 ; refresh, seconds
540 ; retry, seconds
604800 ; expire, seconds
3600 ) ; minimum, seconds
;
mail 3600 A 176.31.109.26
www 3600 A 176.31.109.26
webologix.com. 3600 A 176.31.109.26
webologix.com. 3600 MX 10 mail.webologix.com.
webologix.com. 3600 NS ks392200.kimsufi.com.
default._domainkey.webologix.com. 3600 TXT "v=DKIM1; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArucYlp2rHXPGB3Xn0IjSIXSqixF9kkauZCqo30XIsGe5RShQnGDEUgfPZbHdw7O4wkfoobA6Lt3XBV6T9Zh8UGUNZcd//CgePZAWL4r6fkIvzlVHEhidDfQwaIAGMCZi/SI9TR+rlm2H7HJXlyeV1q5OfUnTO8NblFZ2QNuLhTxqusRQ3BVphkwBkXlyoUQgikj" "eNnStnwRNKsEqQ+Kmy4hYP3IrqV6odRAXcGGSqHNd82v/N+00gj2k1anr0MHUV0DVRHoQPcxVHB+x1/khoUsPRRdHCShNg5fsQMYbGryTTSRw3tJFKdCw7OaBS4W9mGRF+9FG2+wuaGKcdHscGQIDAQAB"
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