What is Cloudflare CNAME flattening?

With CNAME flattening, Cloudflare finds the IP address that a CNAME points to. This process could involve a single lookup or multiple (if your CNAME points to another CNAME ). Cloudflare then returns the final IP address instead of a CNAME record, helping DNS queries resolve up to 30% faster.

Can I CNAME to Cloudflare?

A partial ( CNAME ) setup allows you to use Cloudflare’s reverse proxy while maintaining your primary and authoritative DNS provider. Use this option to proxy only individual subdomains through Cloudflare’s global edge network when you cannot change your authoritative DNS provider.

Does Google domains support CNAME flattening?

Some domain registrars, including GoDaddy and Google Domains, only allow CNAME records to point from a subdomain and not from a root domain (this is sometimes called “CNAME flattening”).

Does CNAME affect SSL certificate?

Whether your DNS entry uses a CNAME or an A record doesn’t matter. What matters is the host name the client is trying to connect to. It must match one of the Subject Alternative Names in the certificate of the server providing that resource (or, failing that, it must match the CN RDN of the cert’s Subject DN).

What is SSL for SaaS Cloudflare?

SSL for SaaS allows you to extend the security and performance benefits of Cloudflare’s network to your customers via their own custom or vanity domains. For example, a customer may want to use their vanity domain app.customer.com to point to an application hosted on your Cloudflare zone service.saas.com .

How do I add a CNAME to Cloudfare?

How do I add a CNAME record?

  1. Login to your Cloudflare account.
  2. From the dropdown menu on the top left, select your domain.
  3. Select the DNS settings tab.
  4. Add the CNAME records. It must point to a fully qualified domain name. Example if you want to point blog subdomain to domain.com.

What is CNAME chasing?

CNAME chasing refers to the lookup performed by a name server when the name server needs to resolve a dependent record as part of processing a CNAME record. CNAME chasing applies only to private Domain Name System (DNS) resources; CNAME records in public managed zones are always chased by the user’s resolver.

Does CNAME need SSL cert?

You do need an SSL certificate. I wanted to add that it is because there is no such thing as a CNAME redirect. A CNAME is not a redirect. A CNAME instructs the DNS to resolve to the same domain as where the CNAME points.

What is SSL CNAME?

The CNAME is just an alias to another record in the DNS registry. But in the end you have an IP adddress. You can also add some record to your /etc/hosts file. Once your browser have an IP address it can connect to the server, it initiate an SSL or TLS session.

How does CNAME resolution work?

DNS Resolution Process for CNAME Records A DNS resolver receives the request and finds the Authoritative Name Server that holds the DNS Zone file with DNS records for the “example.com” domain. The DNS request is resolved and the CNAME record is returned to the client.

How do I verify my domain with Cloudflare?

Cloudflare: Verify your domain

  1. You’ll copy a verification code from the Google Workspace setup tool.
  2. You’ll sign in to your domain registrar and paste the verification code in to the DNS records for your domain.
  3. Once your domain registrar publishes your verification code, we’ll know you are the owner of your domain.

How do I fix CNAME Cross user ban?

Methods to fix the error: And specify the domains allowed to CNAME to their target domain. A Cloudflare Pro, Business, or Enterprise plan is required on the target domain for Cloudflare Support to change default CNAME restrictions. 3. Instead of setting a CNAME record, we can add A record by specifying the IP address.

How to flatten CNAME records in Cloudflare?

On free plans Cloudflare supports flattening only for the domain’s root record. If you want to flatten its actual CNAME childrens you will need to uprade to a paid plan. Though keep in mind, it currently is an all-or-nothing approach, so all CNAME records will be flattened in that case.

What is Cloudflare’s CNAME flattening?

“CloudFlare’s CNAME Flattening feature enabled us to easily front our Amazon Elastic Load Balancer (ELB) with CloudFlare’s DDoS and WAF protection.” “This was a hard problem that needed solving.

Is CNAME flattening on by default?

As of last week, CNAME Flattening is on by default. To take advantage of it, just add a CNAME to your root record. The new feature is included for free for everyone using CloudFlare’s DNS.

What are the limitations of Cloudflare CNAME?

The CNAME setup has two limitations: DDOS protection for attacks against DNS infrastructure is only available for the delegated subdomain records. Only subdomains, not the root domain, can use Cloudflare’s services. This limitation is imposed by Internet DNS specifications.