certbot,二次生成ssl证书时报错:The following errors were reported by the server:ssl证书已经被占用
错误:Tofixtheseerrors,pleasemakesurethatyourdomainnamewasenteredcorrectlyandtheDNSA/AAAArecord(s)forthatdomaincontain(s)therightIPaddress.这个是因为你的域名已经解析过_acme-challenge.xx.com,在原有的解析上修改地址依然会出现占用的情况,解决办法就