ExpiryOwl
SSL and domain expiry alerts for agencies' client sites.
A startup from Hamad town, Bahrain that is founded by A.Rahman Mufarrah.
SSL and domain expiry alerts for agencies' client sites.
A startup from Hamad town, Bahrain that is founded by A.Rahman Mufarrah.
This page is designed to help you find out whether ExpiryOwl is good and if it is the right choice for you.
Watches every client site's SSL certificate, domain registration, DNS and uptime. Flags Let's Encrypt renewals that silently stopped, weeks before expiry. Grouped by client, with white-label reports and status pages. Free for 5 domains.
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SSL monitoring
Every certificate checked every 6 hours; alerts at 30, 14, 7, 3, 1 and 0 days
Domain expiry monitoring
Registration checked daily via RDAP; alerts at 60, 30, 14, 7, 3 and 1 days
Stalled renewal detection
Flags Let's Encrypt, ZeroSSL and Google certificates that missed their normal renewal point, usually weeks before expiry
DNS change alerts
DNS checked every hour, alert when records change
Uptime monitoring
HTTP checks with optional keyword check; every 15 min on Free, down to 1 min on Agency Pro
Client grouping
Every site grouped by client
White-label status pages
Your logo and colour, no mention of ExpiryOwl (Agency plan and up)
Client reports
Monthly PDF report per client (Freelancer plan and up)
Subdomain finder
Finds forgotten subdomains in Certificate Transparency logs
Alert channels
Email, Slack, Discord, Telegram, Microsoft Teams, signed webhooks
Integrations
REST API, MCP server, iCal feed, embeddable widget
Free tools
SSL checker, domain expiry checker, bulk SSL checker, subdomain finder, 47-day readiness checker; no account needed
One hostname, four checks, one tool: SSL certificate, domain registration, DNS and uptime, grouped by client. It also flags a Let's Encrypt, ZeroSSL or Google Trust Services certificate that is still being served after the point where it normally renews, usually weeks before it expires. For Let's Encrypt it reads the renewal window the CA publishes (ARI).
Many uptime monitors don't watch domain registration, so agencies pay for a second tool. ExpiryOwl covers certificates, domains, DNS and uptime in one plan, with white-label client reports and status pages included from the Agency plan ($29 a month for 250 domains), not sold per page. One price per agency: no per-check, per-page or per-client fees.
Web agencies, freelancers and WordPress maintainers who look after many small client websites and need to know before a client's certificate or domain runs out.
I looked after a client's site and found out about problems when the client told me. Certificate lifetimes are dropping (100 days from 15 March 2027, 47 days from 15 March 2029), so certificates renewed by hand will need replacing about four times a year, then about eight. I built ExpiryOwl so an agency sees every client's certificates and domains on one page and hears about a failed renewal before the client does. It is independently run, from Bahrain.
Next.js, React and TypeScript, SQLite with Drizzle, a Node.js background worker for the checks, RDAP for domain data, Certificate Transparency logs for subdomain discovery, and Cloudflare in front.
We have collected here some useful links to help you find out if ExpiryOwl is good.
Check the traffic stats of ExpiryOwl on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of ExpiryOwl on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of ExpiryOwl's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of ExpiryOwl on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
The latest comments about ExpiryOwl on Reddit. This can help you find out how popualr the product is and what people think about it.
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