RSS FEEDS BLOG
Reverse DNS, also known as rDNS, is a system that maps an IP address to a hostname. Unlike traditional DNS (Domain Name System), which maps a hostname to an IP address, rDNS performs the reverse…
When you add an SPF record to your domain, it helps indicate whether your email is being spoofed or not. The Sender Policy Framework (SPF) system is a standard that can be used by email…
What is DMARC? Domain-based Message Authentication, Reporting, and Conformance (DMARC) is a technical specification for email authentication that was developed jointly by the Internet Engineering Task Force (IETF) and DMARC.org. DMARC allows email senders to…
Today, we’re announcing Foundation DNS, Cloudflare’s new premium DNS offering that provides unparalleled reliability, supreme performance and is able to meet the most complex requirements of infrastructure teams.Let’s talk money firstWhen you’re signing an enterprise…
Earlier this week, Cloudflare automatically detected and mitigated a DDoS attack that peaked just below 2 Tbps — the largest we’ve seen to date. This was a multi-vector attack combining DNS amplification attacks and UDP…
I joined Cloudflare a few weeks ago, and as someone new to the company, there’s a ton of information to absorb. I have always learned best by doing, so I decided to use Cloudflare like…
Mischievous hackers have breached the IT systems of the UK's biggest fishing gear outlet, redirecting customers of its online store to an X-rated website. It's 2021, for Cod's hake. We should be doing better than…
It's been a few days now since Facebook, Instagram, and WhatsApp went AWOL and experienced one of the most extended and rough downtime periods in their existence.When that happened, we reported our bird's-eye view of…
Facebook — along with Instagram and WhatsApp — went down globally today. Basically, someone deleted their BGP records, which made their DNS fall apart. …at approximately 11:39 a.m. ET today (15:39 UTC), someone at Facebook…
“Facebook can't be down, can it?”, we thought, for a second.Today at 1651 UTC, we opened an internal incident entitled "Facebook DNS lookup returning SERVFAIL" because we were worried that something was wrong with our…
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