ZZyVOP1d ago · 11 min readHow DNS Works: The Internet's Phone Book ExplainedIntroduction You move your website to a new server and refresh the page. You see the new version, but a colleague refreshing at the same moment still sees the old one. Nothing is broken. The explanati1blog.zyvop.com
PPro Gineous1d ago · 10 min readUsing RDAP to Check a Domain's Expiry Date and Lock StatusEvery domain has a record at its registry that says when it expires, which locks are on it, which registrar controls it and which nameservers it hands visitors to. For years you read that record with progineous.hashnode.dev
DDevang Pandya2d ago · 10 min readHow Google Serves the Whole World From One IP AddressBy Devang Pandya · Cloud Tech by Devang · Cloud • DevOps • AI — Made Simple Type 8.8.8.8 into your network settings, and you are using Google Public DNS. Someone in Mumbai uses the same address. So docloudtechbydevang.hashnode.dev
PPro Gineous2d ago · 9 min readHow to Read DMARC Reports Before You Move to p=rejectMost domains that have DMARC at all are sitting on p=none. Someone added the record while setting up email, pointed rua= at a mailbox, and the reports have been arriving every day since: small zip andprogineous.hashnode.dev
HHardik Babla3d ago · 4 min readDNS Record Types Explained: A Beginner-Friendly GuideHow does a browser know where a website lives? You type a name like mysite.com, and a moment later the page appears. But computers don’t understand names, they understand numbers. Somewhere in betweenhardikdotdev.hashnode.dev
AAdminPackStudio3d ago · 44 min readDNS Event ID 4013 (DNS Server Waiting for AD DS Initial Sync): A Read-First DNS Client, Replication, and 4015 TriageHelpdesk: "After Sunday's patch reboot, DC01 sat at 'Preparing network connections' for about twenty minutes. Now DNS Manager on it says the server could not be contacted, and the DNS Server log has Eadminpackstudio.hashnode.dev
AAdminPackStudio3d ago · 44 min readCluster Network Name Resource Failed Registration (Event 1196, 1257): A Read-First DNS, CNO, and Record TriageHelpdesk: "Since the storage maintenance on Saturday, the file server role on the Hyper-V cluster won't stay online on HVN02, and the System log there keeps showing Event 1196: 'Cluster network name radminpackstudio.hashnode.dev
ZZyVOP3d ago · 9 min readWhat Happens When You Type a URL and Press EnterYou type example.com, press Enter, and a web page appears in well under a second. It feels instant, but in that moment your computer, several servers around the world, and your browser's rendering engblog.zyvop.com
ZZyVOP3d ago · 15 min readNetwork Protocols for Beginners: A Practical Guide to the Top 8Every time you open a website, send an email or push code to GitHub, your computer talks to another computer somewhere else. And the two of them only understand each other because they follow the sameblog.zyvop.com
AAdminPackStudio3d ago · 38 min readWindows DNS Server Not Resolving External Names: A Read-First Forwarder, Root Hints, and Recursion TriageHelpdesk: "Since the firewall cutover on Friday, intranet sites open fine but external sites fail or take ten seconds, and nslookup on a PC says 'DNS request timed out' and then works on the second tradminpackstudio.hashnode.dev