PTR record 6 min read
PTR Record: Why Your Email Server Is Being Rejected
If your server's emails are going to spam or being rejected with a 550 error, the problem is likely a missing PTR record...
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subdomain 6 min read
Subdomains: Creation, SSL, and the Danger of Abandoned Ones
How to create a subdomain, why SSL and wildcard records go wrong here, and how an abandoned subdomain leads to compromis...
expired domain 5 min read
My Domain Expired; Grace Period, Cost, and Recovery Path
An expired domain can be recovered within a few days without losing your site. This guide explains the grace periods, th...
nameserver 6 min read
Nameservers: Choosing Between Host, Registrar, or Cloud
If your site stumbles on the registrar's nameservers, this guide shows the criteria for choosing between host, registrar...
DNSSEC 6 min read
What Is DNSSEC and Should We Enable It?
If your site goes down after enabling DNSSEC or resolvers stop responding, the problem is usually an expired signature....
email deliverability 7 min read
Email Deliverability Audit: Why Do Emails Go to Spam?
Are transactional emails going to spam? With an email deliverability audit, examine DNS records, domain warm-up, and rea...
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