Pan Domain SSL Certificate, also known as wildcard certificate, English: Wildcard Certificates. pan domain name SSL certificate's biggest advantage is that a single application can be applied to any sub-domain, that is, wildcard certificates can protect a domain name under the same level of sub-domains, does not limit the number of sub-domains at this level, and to add a new sub-domain at this level without re-audit and another payment, saving a lot of time and money costs. This saves a lot of time and money costs. Pan-domain SSL certificate charges are very expensive, generally sold at $100.00 U.S. dollars or more.
Domain Validation SSL Products
The most commonly used type of SSL certificate, the fast issuance feature is favored by tens of thousands of users around the world. DV products from COMODO DV products from COMODO /Sectigo CA , and TrustOcean SSL CA (PKI Hosted by COMODO),Universal individual users and small systems companies have chosen such certificates to protect their facilities, which have superior cost performance and quick sign-off features.
CrazySSL and TrustOcean (the newly established certificate issuance brand of RingOcean Integrity) are the same (the difference between international and domestic sites), but CrazySSL is much more convenient than TrustOcean's pan-domain SSL certificate service, which can provide one-year service (the official website indicates that it is a limited time activity), while the latter can only issue one quarter.
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Address of the limited time free event::https://www.crazyssl.com