Red Sift Certificates (formerly Hardenize) discovers certificates across your estate, watches transparency logs and maps what you actually have exposed. It is a security tool. We are a monitoring tool that happens to warn you about expiry.
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Is MonitoringDaddy a real Red Sift Certificates alternative?
For expiry warnings on sites you already know about, yes, bundled with the uptime monitoring you probably need anyway. Red Sift is the better tool if you need discovery of certificates and hosts you have forgotten, or transparency log monitoring for unauthorised issuance.
If you can list your sites from memory, a discovery platform solves something you do not have.
The overlap is one field — the expiry date. The rest is a different discipline.
Security posture platforms are priced for organisations with an attack surface to map.
Green marks the stronger option on that row. Third-party pricing and limits change without notice — treat the Red Sift Certificates column as a starting point and confirm current figures on their site before you decide.
| Feature | Red Sift Certificates | MonitoringDaddy |
|---|---|---|
| Certificate and host discovery | Yes — finds what you forgot | No |
| Certificate transparency monitoring | Yes | No |
| Network and DNS posture mapping | Yes | No |
| Email security posture (DMARC etc.) | Yes | No |
| Certificate expiry alerts | Yes | Yes — attached to a monitor, no extra allowance |
| Uptime monitoring | No | Yes, on every plan |
| Domain expiry monitoring | No | Yes, attached to a monitor |
| Website change detection | No | Yes, with word-level diffs |
| Cron / heartbeat monitoring | No | Yes — up to 100 on Pro |
| Entry price | Enterprise-oriented — verify | $5/mo for 25 monitors |
Every comparison page on the internet claims the author's product wins on everything. Here is where it does not.
If any of those are load-bearing for your team, staying put is the correct decision and this page has done its job. Monitoring you actually trust beats monitoring that is marginally cheaper.
Six monitor types and one dashboard. No add-on products, no separate SKUs for the features you assumed were included.
HTTP checks from external infrastructure, as often as every 60 seconds, with downtime and recovery alerts. See the uptime setup guide.
A dedicated monitor type with configurable advance warnings, so a certificate never lapses because nobody owned the renewal. See SSL expiry monitoring.
Registration expiry tracked as its own monitor, warning you months ahead. The outage nobody has a runbook for. See domain expiration monitoring.
Alert when a phrase appears or disappears on a page — defacement, stock changes, silent policy edits. See website change detection.
Watch a competitor or supplier price string and get told the moment it moves. See the price monitoring guide.
Public status pages included on every plan, hosted independently of your infrastructure so they stay up when you do not. See hosted status pages.
Alerts from any of these can be routed to email, Slack, Microsoft Teams, Discord, Telegram, Flock or a generic webhook, and a single monitor can carry several channels at once. Everything is available through the REST API on paid plans, so monitors can be created and torn down programmatically rather than clicked through a form.
Flat monthly tiers. No per-seat charges, no credit top-ups, no usage meters — the number below is the whole bill.
| Plan | Monitors | Fastest interval | Alert channels | API | Price |
|---|---|---|---|---|---|
| Free | 1 | Every 30 minutes | — | $0 | |
| Founding Member first 20 only | 25 | Every 5 minutes | Email + webhook & chat | Yes | $5/mo |
| Basic | 10 | Every 10 minutes | Email + webhook & chat | Yes | $8/mo |
| Growth | 50 | Every 5 minutes | Email + webhook & chat | Yes | $19/mo |
| Pro | 100 | Every 60 seconds | Email + webhook & chat | Yes | $34/mo |
Annual billing is cheaper on every paid tier. The pricing page is the authoritative list.
There is no automated importer — monitors are re-created by hand, or scripted through the API on paid plans. Budget about a minute per monitor.
List every active check: URL, interval, condition and alert recipients. Most teams find monitors nobody needs any more.
Start with revenue-critical URLs. Set the interval, add the condition, attach the channels your team already watches.
Keep Red Sift Certificates live while the new monitors settle. Compare alerts and confirm nothing is missing.
Move any public status page across, confirm a clean week of overlap, then cancel the old subscription.
This page is written by the team that builds MonitoringDaddy, so treat it as an informed argument rather than a neutral audit. What we can promise is that the claims about our own product are checked against what the software actually does, and the rows where Red Sift Certificates is stronger are marked as such rather than quietly omitted.
Details about Red Sift Certificates come from their public pricing and documentation at the time of writing. Monitoring vendors change plan limits and prices frequently and without announcement, so every third-party figure here carries a "verify on their site" caveat and you should take it seriously before making a decision on cost.
One thing worth stating plainly, because most comparison pages fudge it: MonitoringDaddy checks run from our own infrastructure, which is external to yours, but from a single origin rather than a global probe network. That is enough to catch outages and content changes independently of your stack. It is not enough to tell you a site is down in Frankfurt but up in Ohio. If regional verification is a hard requirement, a larger platform will serve you better and we would rather you knew that now.
Found something out of date or wrong? Tell us and we will correct it.
Every recorded change is compared word by word and kept with a before-and-after image. This is the real output, shown with worked example data.
Price fell from $49 to $39, and an annual discount was added.
The item is available again and the basket button returned.
A new subprocessor was added in another jurisdiction.
The free plan sends to one email address. Every paid plan adds the chat and webhook channels below, with 2 to 10 destinations depending on the plan. However many alerts you receive, the price does not change — nothing here is metered or charged per alert.
There are no voice calls and no SMS. If a phone call at 3am is a hard requirement, say so before you subscribe — we would rather tell you now than refund you later.
No. You add monitors for sites you know about, and their certificates are watched as part of that. Anything you have forgotten stays forgotten, which is exactly the gap Red Sift fills.
No. If unauthorised issuance is a concern, Red Sift or SSLMate Cert Spotter handle it and we do not.
The expiry warning. Everything else Red Sift does is a different discipline.
Usually, yes — the realistic failure is a renewal that did not happen rather than an attacker obtaining a certificate for your domain.
Nothing extra. Certificate and domain expiry warnings attach to a monitor on every plan including free.
No. We watch domain expiry, not DNS records, and nothing about email authentication.
Red Sift, if attack surface mapping is the requirement. We are a monitoring account, not a security posture platform.
Yes, and for a security-conscious organisation that is the sensible arrangement rather than a compromise.
Last updated August 4, 2026 · Written by Amit Gupta, founder of MonitoringDaddy
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