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Red Sift is a UK-owned, cloud-based security platform for TLS certificate management and DMARC email protection. Certificates monitors your certificate estate in real time, flags issues early, and guides you through fixing them before they cause an outage. OnDMARC does the same for email, with customisable reporting and compliance tracking to get you to DMARC enforcement faster. Together, they give organisations of any size clear visibility and stronger control across their certificates and email.
Agreement start: 31 March 2025
Agreement end: 30 March 2028
Invoice date: annually one month in advance of the anniversary of the licence start date.
Institutions may participate in the Agreement at any time during the agreement period, and are bound by its Terms and Conditions, including payments, until the end of the Institution’s chosen Commitment (Licence) Period.
Site licence
Higher and Further Education and Research Councils in the United Kingdom, and to Universities and Colleges of Further Education in the Republic of Ireland. Other organisations supporting education, including research bodies and the public sector, may ask to participate in the Agreement. Chest will liaise with the Supplier about any such requests.
The National Cyber Security Centre’s (NCSC) announcement that its Mail Check DMARC reporting service for the UK public sector was retired on 24 March 2025. Red Sift's OnDMARC is one such replacement for organisations to consider. Redsift Certificates were added to the agreement June 2026.
Licensor: Red Sift Ltd, 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, United Kingdom, WA14 2DT. 09240956.
Red Sift OnDMARC is a UK-owned, cloud-based solution that stops unauthorised use of email-sending domains. With real-time monitoring, customisable reports, and guided remediation, OnDMARC helps organisations reach DMARC enforcement in weeks, not months. While Red Sift OnDMARC simplifies email security, Jisc Banded pricing makes it accessible to organisations of all sizes.
Red Sift Certificates provides full visibility across your public and private certificate estate. With CT log monitoring, automated expiry alerts, and guided issue remediation, Certificates helps organisations reduce risk from expired or misconfigured TLS certificates.

There are 3 levels of OnDMARC available to purchase:
This includes:
This includes everything in Essentials and the addition of:
This includes everything in Enterprise and the addition of:
DNS Guardian is the first DNS configuration monitoring feature of its kind offered among DMARC providers, stopping malicious emails that slip through DMARC defences, including threats from domain takeovers and SubdoMailing attacks.
If you are unsure which level is most appropriate for your institution and needs, please contact help@chest.ac.uk
Red Sift Certificates is a is a cloud-based TLS/PKI visibility and monitoring solution that gives full discovery and oversight across your public and private certificate estate. Its dashboard and continuous discovery simplify PKI oversight, and REST API and webhook integrations connect it to your existing security workflows. Its customer success program and support portal, Sift Space, back every customer with expert help along the way.
Supported by the award-winning Red Sift customer success program and support portal Sift Space.
There are 3 levels of Red Sift Certificates available to purchase:
Certificates Lite
Certificates Essential
Certificates Enterprise
This includes everything in Essential and the addition of:
If you are unsure which level is most appropriate for your institution and needs, please contact help@chest.ac.uk
On the 30 April 2025 Red Sift hosted a webinar to celebrate the launch of their Jisc Agreement on Chest. You can access that webinar by clicking on the below image.
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Licensor: Red Sift Ltd, 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, United Kingdom, WA14 2DT. 09240956.
The Chest Order, together with the Licence Terms and Conditions, and any exceptions listed below, create a legally binding contract between your institution, organisation or company and the Licensor. Therefore please read the terms and conditions carefully and only submit a Chest Order if its terms and conditions are acceptable to your institution, organisation or company and you have the authority to make the financial commitment shown.
This licence is subject to the terms and conditions for the Standard Software as a Service (SaaS) Licence (July 2024)
Chest is an Enterprise of Jisc. All Purchase orders must be made out to JISC, One Castlepark, Tower Hill, Bristol, BS2 0JA Payments are due within thirty days of invoice date; recipients of late payments are entitled to interest in accordance with UK statutory provisions.
On receipt of a completed Order, and a Purchase Order (if required by the Institution) made payable to Jisc, Institutions will be invoiced depending on the licence and payment term selected. Invoices are payable within 30 days of the date of the invoice.
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