2025-09-11 15:20:13 +08:00
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# 常见问题
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2025-05-15 09:38:35 +08:00
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## 1. 是否支持IP证书
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因为ACME协议不支持IP证书,所以certd目前也不支持IP证书
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## 2. 建议设置多长时间运行一次流水线
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2025-09-11 15:20:13 +08:00
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建议每天运行一次,检查证书过期时间
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2025-05-15 09:38:35 +08:00
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当证书没过期时,自动跳过部署
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当证书到期前35天(创建流水线时可以修改),将会自动重新申请证书,自动部署
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2025-09-11 15:20:13 +08:00
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## 3. too many certificates 错误
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当出现如下报错时,说明相同的域名短时间内申请超过5次
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解决方案:可以加多一个子域名,重新执行就可以规避次错误
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```
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"detail": too many certificates (5) already issued for this exact set of idantifiers in the last 168hm0s
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2025-09-14 23:01:18 +08:00
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```
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2025-10-11 16:59:28 +08:00
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## 4. ssl.com报错 CAA record does not include ssl.com which is required to issue the certificate
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2025-09-14 23:01:18 +08:00
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ssl.com申请证书要求必须设置CAA记录,表示允许ssl.com为该域名颁发证书
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请按如下格式添加CAA记录
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| 示例 | 类型 | 域名前缀 | flag | tag | 值 |
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|-------|-----| -- |-----------|--------|----------------------|
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| 顶级域名 | CAA | @ | 0 | issue | "ssl.com" (注意有双引号) |
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| 一级泛域名 | CAA | * | 0 | issue/issuewild | "ssl.com" |
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| 固定子域名 | CAA | sub | 0 | issue |"ssl.com" |
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2025-10-11 16:59:28 +08:00
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## 5. address family not supported
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启动时出现此错误,是由于您的服务器不支持绑定ipv6地址
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请配置环境变量 certd_koa_hostname=0.0.0.0
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在docker-compose.yml中添加如下配置
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```yaml
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service:
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certd:
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environment:
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certd_koa_hostname: 0.0.0.0
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```
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2025-09-14 23:01:18 +08:00
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2025-12-19 11:30:01 +08:00
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## 6. DNS记录问题
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1. DNS 不要设置CAA记录,删除即可
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2. DNSSEC相关报错,DNSSEC管理中删除即可
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3. DNS 有其他平台申请过的_acme-challenge记录,删除即可
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2025-09-14 23:01:18 +08:00
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2026-02-03 12:28:30 +08:00
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## 7. DNS problem: NXDOMAIN looking up TXT for _acme-challenge.xxx
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`
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DNS problem: NXDOMAIN looking up TXT for _acme-challenge.xxxxx - check that a DNS record exists for this domain
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`
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证书颁发机构向域名ns查询TXT验证记录失败,有以下几种可能
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1、域名的ns服务器修改成别的了,但申请证书时的DNS提供商选择错误(检查确认,配置正确的DNS提供商)
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2、证书颁发机构与ns域名服务器之间访问不通,无法查询到TXT记录(尝试更换证书颁发机构)
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3、ns服务商解析值生效慢(尝试修改证书申请任务里面的等待生效时长600-1000s)
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