Limits

The number of domains and DNS zones you can use is dynamically allocated based on your actual usage. If you need your current limit increased, please open a support ticket.

All DNS records require a minimum TTL value of 30 seconds.

centron DNS does not support the following CAA record functions:

• Blocking the issuance of any certificate by sending a semicolon (;) in the value.

• Allowing name-value tags after the CA name, for example: letsencrypt.org; abc=cde.

• Entries created under a hostname covered by a wildcard entry will stop the wildcard resolution for that hostname. For example, if you have an A wildcard record for *.exampledomain.com and add an MX record for the hostname email.exampledomain.com, the A wildcard record will no longer be served for email.exampledomain.com. However, you can still add an explicit A record for the hostname email.exampledomain.com if your use case requires it.

centron DNS does not support tags.

When adding domains or DNS records that contain non-ASCII characters (such as accents or other Unicode characters), you must first convert them to Punycode.

centron’s Terms of Use prohibit the addition of country code top-level domains (ccTLDs) from countries subject to OFAC sanctions. Further information, including a list of countries, can be found in Section 5.7 of ‘our Code of Conduct’ in our ‘Terms of Use’.

centron DNS does not support the creation of DNSSEC (DS) records.