Single Domain TLS/SSL
One certificate. One domain. Rock-solid encryption.
Three DV and OV products from a fast DV certificate to a business-verified OV with a $250,000 warranty. Need Extended Validation? See Enterprise EV.
Precisely scoped protection for one domain or subdomain
A Single Domain TLS/SSL certificate secures one specific fully qualified domain name (FQDN). Three DV/OV sub-products cover everyday use cases. For Extended Validation, see Enterprise EV.
Which product is right for you?
| Basic | High Assurance | Premium | Enterprise EV | |
|---|---|---|---|---|
| Validation | Domain Validation (DV) | Organization Validation (OV) | Organization Validation (OV) | Extended Validation (EV) |
| Domains | 1 | 1 | 1 | 1 |
| Subdomains | No | No | Yes | No |
| RSA or ECC | Yes | Yes | Yes | Yes |
| Warranty | $10,000 | $50,000 | $250,000 | $1,750,000 |
| Price/yr | $36.75 | $48.40 | $74.25 | $239.50 |
| Get started | Buy ā | Buy ā | Buy ā | Buy ā |
Basic — DV
Fast, affordable HTTPS for a personal site, blog, or staging. Issued in minutes. $36.75/yr.
High Assurance — OV
Organization name verified in the certificate. $50K warranty. $48.40/yr.
Premium — OV + subdomains
OV validation plus subdomain coverage. $250K warranty. $74.25/yr.
Maximum identity assurance with full EV vetting and $1.75M warranty. $239.50/yr.
Compare & Buy
1 Select certificate type
2 Select duration
Order Summary
Key benefits
How it works
Select & purchase
Choose Basic, High Assurance, or Premium, then complete checkout.
Domain validation
Automated for Basic (DV). Organization validation for High Assurance and Premium (OV).
Certificate issued
Your certificate is generated and delivered.
Install
Deploy to your web server, load balancer, or CDN.
Renew automatically
Configure ACME to renew before expiry.
Compatibility
Apache, Nginx, IIS, LiteSpeed
Full support
AWS, GCP, Azure
Full support
Cloudflare, Fastly, Akamai
Full support
All major browsers
Chrome, Firefox, Safari, Edge — trusted
iOS, Android, macOS, Windows
Trusted
ACME clients
Certbot, ACME.sh, win-acme — supported
Compliance & trust
WebTrust audited
All major trust stores
Universal server support
Frequently asked questions
Ready to secure your domain?
Related products
Enterprise EV Single Domain
Maximum identity assurance with full EV vetting and $1.75M warranty.
Wildcard TLS/SSL
Secure one domain + all subdomains with unlimited coverage.
ACME / CLM
Automate certificate lifecycle management via ACME protocol.
