Exhibit 3.1

AMENDED AND RESTATED

CERTIFICATE OF INCORPORATION

OF

INFOBLOX INC.

ARTICLE ONE

The name of the Corporation is Infoblox Inc. (the “Corporation”).

ARTICLE TWO

The address of the Corporation’s registered office in the State of Delaware is 2711 Centerville Road, Suite 400, in the City of Wilmington, County of New Castle, Delaware, 19808. The name of its registered agent at such address is Corporation Service Company.

ARTICLE THREE

The nature of the business or purposes to be conducted or promoted is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware.

ARTICLE FOUR

The total number of shares of stock which the Corporation has authority to issue is one thousand (1,000) shares of Common Stock, with a par value of $0.001 per share.

ARTICLE FIVE

The Corporation is to have perpetual existence.

ARTICLE SIX

In furtherance and not in limitation of the powers conferred by statute, the board of directors of the Corporation is expressly authorized to make, alter or repeal the by-laws of the Corporation.

ARTICLE SEVEN

Unless otherwise set forth herein, the authorized number of directors which constitute the board of directors of the corporation and the entitlement of the stockholders of the corporation to elect directors to the board of directors of the corporation shall be designated in that certain Stockholders Agreement, dated as of November 7, 2016, by and among Delta Topco, Inc., a Delaware corporation, and certain of its stockholders (as amended or modified from time to time in accordance with its terms, the “Stockholders Agreement”).

Each director that is not designated a “Vista Super Director” (as defined in the Stockholders Agreement) shall be entitled to one (1) vote on any matter submitted to the board of directors of the corporation for its consideration. Each Vista Super Director shall be entitled to three (3) votes on any matter submitted to the board of directors of the corporation for its consideration.

ARTICLE EIGHT

Meetings of stockholders may be held within or without the State of Delaware, as the by-laws of the Corporation may provide. The books of the Corporation may be kept outside the State of Delaware at such place or places as may be designated from time to time by the board of directors or in the by-laws of the Corporation. Election of directors need not be by written ballot unless the by-laws of the Corporation so provide.

ARTICLE NINE

To the fullest extent permitted by the General Corporation Law of the State of Delaware as the same exists or may hereafter be amended, a director of this Corporation shall not be liable to the Corporation or its stockholders for monetary damages for a breach of fiduciary duty as a director. Any repeal or modification of this ARTICLE NINE shall not adversely affect any right or protection of a director of the Corporation existing at the time of such repeal or modification.

ARTICLE TEN

The Corporation expressly elects not to be governed by Section 203 of the General Corporation Law of the State of Delaware.

ARTICLE ELEVEN

The Corporation reserves the right to amend, alter, change or repeal any provision contained in this certificate of incorporation in the manner now or hereafter prescribed herein and by the laws of the State of Delaware, and all rights conferred upon stockholders herein are granted subject to this reservation.