Bogon networks are invalid on the internet, as they are networks that have been reserved for special use, or have not yet been allocated to a customer. These networks should not be seen on the internet.
As more and more websites become compromised, it is ever more important to use a differerent password for every site. Our new Strong Password Generator will assist you in creating different passwords with options such as length, type of characters and symbols.
Password managers store your login information for all the websites and accounts you use and help you log into them automatically. They encrypt your password database with a master password – the master password is the only one you have to remember.
RBL and DNSBL are something we all want to make sure we don't get listed on. RBL is an abbreviation for 'Real-time Blackhole List' and DNSBL is an abbreviation for DNS Blocklist or DNS blacklist. There are a number of variations of these depending on the organization publishing them, such as Barracuda Centrals (barracudacentral.org) BRBL (Barracuda Reputation Block List).
Most network administrators are aware of how to check to see if your mail server is on a blacklist whether it be a RBL or DNSBL or any of its variations. The problem with most of them is that most of them check by IP Address. What about your domain reputation.
In Oct of 2016 a large Distributed Denial of Service (DDoS) attack against DYN DNS, brought down networks such as Twitter, Amazon, Paypal, CNN, Reddit and other big names. Dyn, is a company that controls a good chunk of the internet’s domain name system (DNS) infrastructure.
Literally millions of people subscribe to Google's Public DNS servers of 188.8.131.52 and 184.108.40.206. Suppose you have just made changes to your domain DNS records on your Authoritive DNS Servers and you want to get the propagation to go though quickly. Unless you have set your TTL (Time to Live) down to a low number like 5 minutes, it could take a day or more to propagate.
There are several reasons why you should stop using free email addresses for your business. Using free email addresses, such as gmail / hotmail or [email protected], could position your business as spam and give potential customers the view that your business is not properly established or credible.
Email is a critical part of your business. You use it to communicate with customers, suppliers and partners on a daily basis for your company to function and to stay profitable. At one time all you required was a mail server at your office, setup a few MX Records and PTR DNS records and your off to the races.
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