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Copy file name to clipboardExpand all lines: src/content/docs/ssl/edge-certificates/universal-ssl/limitations.mdx
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import { GlossaryTooltip } from"~/components"
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Universal SSL certificates are limited by the hostnames they cover and the browsers they support.
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Universal SSL certificates present some limitations.
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## Hostname coverage
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On a CNAME setup zone, each subdomain has its own Universal SSL certificate and does not require additional features or purchases.
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## Browser support
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## Certificate authority
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For Universal SSL certificates, Cloudflare chooses the <GlossaryTooltipterm="Certificate Authority (CA)">certificate authority (CA)</GlossaryTooltip> used for your certificate.
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Cloudflare can change the [certificate authority](/ssl/reference/certificate-authorities/) without prior notification, and will not send any notification as the change happens.
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If you want to choose the issuing certificate authority, [order an advanced certificate](/ssl/edge-certificates/advanced-certificate-manager/).
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## Validity period
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For Universal certificates, Cloudflare controls the validity period. Refer to [validity periods and renewal](/ssl/reference/certificate-validity-periods/#universal-ssl) for details.
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For more on browser support, see [Browser compatibility](/ssl/reference/browser-compatibility/).
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## TLS settings
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[Customizing cipher suites](/ssl/edge-certificates/additional-options/cipher-suites/customize-cipher-suites/) is only available with [Advanced Certificate Manager](/ssl/edge-certificates/advanced-certificate-manager/) or within [Cloudflare for SaaS](/cloudflare-for-platforms/cloudflare-for-saas/security/certificate-management/).
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You can set up [minimum TLS version](/ssl/edge-certificates/additional-options/minimum-tls/) at the zone level, but, for per-hostname settings, you must have [Advanced Certificate Manager](/ssl/edge-certificates/advanced-certificate-manager/).
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## Delegated DCV
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Delegated DCV allows zones with [partial DNS setups](/dns/zone-setups/partial-setup/) to delegate the DCV process to Cloudflare. DCV delegation will not work with Universal SSL certificates and requires the use of an [advanced certificate](/ssl/edge-certificates/advanced-certificate-manager/).
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## Spectrum
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Due to internal limitations, Universal SSL certificates do not cover [load balancing hostnames](/load-balancing/load-balancers/dns-records/) by default. This behavior will be corrected in the future.
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## Certificate authority
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For Universal SSL certificates, Cloudflare chooses the <GlossaryTooltipterm="Certificate Authority (CA)">certificate authority (CA)</GlossaryTooltip> used for your certificate.
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Cloudflare can change the [certificate authority](/ssl/reference/certificate-authorities/) without prior notification, and will not send any notification as the change happens.
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## Browser support
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If you want to choose the issuing certificate authority, [order an advanced certificate](/ssl/edge-certificates/advanced-certificate-manager/).
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For more on browser support, see [Browser compatibility](/ssl/reference/browser-compatibility/).
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