SEO, Speed Up website, Server Optimization, Linux, Open Source Softwares
This information is largely available online; however, I’ve taken the time to compile a list of the common DNS servers here for your own reference. These servers do not belong to internet service providers but other companies ranging from Google, OpenDNS, DNS.Watch and several others. You can use a command such as Dig to query … Read More “Resolving Public DNS Server List” »
See rfc2821 for the basic specification of SMTP; see also rfc1123 for important additional information. See rfc1893 and rfc2034 for information about enhanced status codes. Check the RFC index for further mail-related RFCs. Reply codes in numerical order Code Meaning 200 (nonstandard success response, see rfc876) 211 System status, or system help reply 214 Help … Read More “SMTP reply codes” »
Following are the few sites from where we can test our mailserver and domain for testing, reputation and blacklsiting. Blacklist Checking https://www.blacklistmaster.com/check?t=<ip address> DKIM Testing http://dkimcore.org/c/keycheck IP/Domain Reputation and Scores http://www.senderbase.org/lookup/?search_string=<ip address or domain> https://www.senderscore.org/lookup.php?lookup=<ip address>&validLookup=true http://mxtoolbox.com/ Scan Website for Malware http://sitecheck.sucuri.net/
A server is a computer that manages resources on a network. There are different types of servers that are available for different needs. Servers that are used to store files are called file servers, and those used to save data are known as database servers. Other types of servers are application servers, proxy servers, web … Read More “Different Types of Server for/on the Internet” »