Skip to content
CertPingBlog

Blog

Notes from the CertPing team on domains, DNS, SSL certificates, email security and keeping a name safe.

RSS feed
  1. Chennarao Vemula

    A Gift Card Request From the Boss? One Rule to Give Your Team Before the Holidays

    Scammers pose as an owner or manager and ask staff to buy gift cards and send the codes. Here is how the request works, the one rule that stops most of it, and what to do if codes were already sent.

  2. Owais Salauddin Khan

    Free SSL Certificate: How to Get One and When It's Worth Paying

    Free SSL certificates are just as secure as paid ones. Here's how to get a free SSL certificate for your website, what really differs from a paid certificate, and when paying makes sense.

  3. Chennarao Vemula

    Copycat Sites Can Use Your Business Name This Holiday Season. 4 Things to Do Now

    Fake websites and ads that copy a real business's name rise around the holidays, and customers often blame the real company. Four simple steps to protect customer trust before the rush.

  4. Chennarao Vemula

    Fake 'Please Sign' Emails Can Skip Your Spam Filter. Here's Why, and 3 Checks

    Microsoft says many fake e-signature and invoice emails were let through by 'always allow' rules, even after being flagged as malicious. What it means for your business, and three simple checks for this week.

  5. Owais Salauddin Khan

    SSL Certificate Expired? How to Check, Renew and Stop It Happening Again

    What happens when an SSL certificate expires, how to check the expiry date in your browser, how to renew it step by step, and how to make sure it never happens again.

  6. Chennarao Vemula

    When Your Domain Expires, Your Website and Email Stop Together

    A lapsed domain name can take your website and company email offline on the same day. Here is who should own the renewal, where the reminders go, and what to check this week.

  7. Owais Salauddin Khan

    Your Connection Is Not Private: What It Means and How to Fix It

    What the "Your connection is not private" warning means in Chrome, Edge, Safari and Firefox, how visitors can fix it in minutes, and how site owners fix expired, mismatched or incomplete SSL certificates.

  8. Owais Salauddin Khan

    SSL Certificate Validity Is Shrinking: 200 Days Now, 100 in 2027, 47 by 2029

    Public SSL certificates now last 200 days at most, and Let's Encrypt moves to 64 days on February 10, 2027. See the full timeline to 47 days in 2029, why it's happening and how to get your renewals ready.

  9. Chennarao Vemula

    Supplier Bank Details Changed? Make One Call Before You Pay

    A familiar invoice with new bank details is the warning sign to stop on. Here is a simple check any business can use before paying a changed account, and what to do if money has already gone.

  10. Chennarao Vemula

    Certificate Monitoring: How to Stop Outages from Expired TLS Certificates

    Expired TLS certificates cause avoidable outages and scary browser warnings. Learn why spreadsheets fail, what good certificate monitoring looks like, and how to set it up.

  11. Owais Salauddin Khan

    Domain Security Guide: How to Stop Phishing, Email Spoofing and DNS Hijacking

    How attackers abuse your domain through look-alike domains, spoofed email and DNS hijacking, and how SPF, DKIM, DMARC, registrar lock and look-alike monitoring stop each one. Includes a safe DMARC rollout and a checklist.