Results for "macos"
9 results
- GuideDNS
ipconfig /flushdns: How to Flush DNS on Windows, Mac and Linux
Run ipconfig /flushdns on Windows, sudo killall -HUP mDNSResponder on a Mac, or resolvectl flush-caches on Linux. Here are the exact commands, Chrome's own cache and a way to verify.
Oct 1, 2026 · 8 min read
- GuideDNS
What Are DNS Records? Every Record Type With Examples
DNS records tell the internet where your site and email live. See what A, AAAA, CNAME, MX, TXT, NS, SOA, PTR, CAA and SRV records do and how to look them up.
Oct 1, 2026 · 16 min read
- GuideDNS
DNS_PROBE_FINISHED_NXDOMAIN: What It Means and How to Fix It
DNS_PROBE_FINISHED_NXDOMAIN means the DNS lookup reported that the domain doesn't exist. Find out whether your device or the website is at fault, then work through the fixes.
Oct 1, 2026 · 11 min read
- GuideWebsite Migration
Website Migration Checklist: 12 Steps to Move Hosts Safely
A website migration checklist in three phases. Back up, record DNS and email, lower the TTL, test with your hosts file, set up SSL, move email, check SEO, then cancel.
Oct 1, 2026 · 14 min read
- BlogDomain Names
What Is a Fully Qualified Domain Name (FQDN)?
An FQDN is a host's complete DNS name, up to the root. This covers the trailing dot, FQDN vs hostname vs URL, the length limits and how to find your computer's FQDN.
Oct 1, 2026 · 11 min read
- GuideDomain Names
What Are Nameservers? How to Find and Change Them
Nameservers hold your domain's DNS records. See how they differ from DNS records, how to check them with dig or nslookup, and how to change them without breaking anything.
Oct 1, 2026 · 10 min read
- GuideBusiness Email
SMTP Port Guide: 25, 465, 587, plus IMAP and POP3 Ports
Which SMTP port to use (465 or 587), what port 25 is for, the IMAP and POP3 ports (993, 995), and how to test any mail port. Every number is checked against IANA and the RFCs.
Oct 1, 2026 · 9 min read
- GuideWHOIS
How to Check When a Domain Expires (and What Happens Next)
Check when a domain expires with a WHOIS or RDAP lookup, read the two expiry dates correctly, and see what happens after expiry for .com and ccTLD domains.
Oct 1, 2026 · 11 min read
- BlogDomains
Web Hosting vs Domain Name: What's the Difference?
A domain name is your site's address, and web hosting is the server that stores its files. Here is how DNS links them, how to buy them separately, and what happens when either one expires.
Oct 1, 2026 · 10 min read