src/Ovh/Cdn/Cdn.php
public function deleteDomainBackend($domain, $backend)
    {
        return json_decode(self::getClient()->delteDomainBackend($this->sn, $domain, $backend));
    }
public function deleteDomainBackend($domain, $backend)
    {
        return json_decode(self::getClient()->delteDomainBackend($this->sn, $domain, $backend));
    }
Delete backend for domain $domain

@param string $domain
@param string $backend (IPv4)
@return string IPv4