eTOP sp. z o.o. / Hostilla.pl
IT glossary: hosting, domains, DNS and SSL
Practical explanations of terms used when running a website, e-mail, domains and SSL certificates.
Glossary entries
English glossary entries mirror the Polish content hub and link to real Hostilla.pl services.
Web hostingWeb hosting is a service for keeping website files, databases and e-mail services on an internet-connected server.Domain nameA domain name is a readable internet address used for a website, e-mail or online service.DNSDNS translates a domain name into technical addresses and service records.WHOIS / RDAPWHOIS and RDAP help check domain status, registrar information, dates and selected technical data.SSL certificateAn SSL/TLS certificate secures the connection between a browser and a website.Domain registrationDomain registration is buying the right to use a selected internet address for a defined period.Domain transferA domain transfer moves domain management from one registrar to another.AuthInfoAuthInfo is an authorization code used when transferring a domain.NameserverA nameserver stores and serves DNS records for a domain.Anycast DNSAnycast DNS answers DNS queries from multiple network locations.MX recordAn MX record points to mail servers receiving messages for a domain.SPFSPF is a DNS record that lists servers allowed to send e-mail for a domain.DKIMDKIM signs e-mail messages with a cryptographic key published in DNS.DMARCDMARC tells receiving mail servers what to do when SPF or DKIM checks fail.DV certificateA DV certificate confirms control over a domain and enables HTTPS.OV certificateAn OV certificate validates both the domain and basic organization data.EV certificateAn EV certificate requires extended organization validation before issuance.Wildcard SSLWildcard SSL secures a domain and many first-level subdomains.LiteSpeed CacheLiteSpeed Cache speeds up websites, especially WordPress sites.PHPPHP is a programming language used by many websites and CMS platforms.MySQLMySQL is a popular database engine for websites and web applications.Website backupA website backup is a copy of files, databases and configuration needed for recovery.WordPress hostingWordPress hosting is web hosting tuned for the WordPress CMS.Business e-mail in your own domainBusiness e-mail in your own domain uses addresses such as office@example.com.RedisRedis is a fast in-memory data store used as application cache, session storage or a queue helper.Let's EncryptLet's Encrypt is a public certificate authority issuing free TLS/SSL certificates through ACME.ZeroSSLZeroSSL is a service for issuing DV SSL/TLS certificates, often automated through ACME.CMC certificateA CMC certificate is used with BIMI for a brand mark that may not be a classic registered trademark.VMC certificateA VMC certificate is used with BIMI to validate a registered brand mark.E-mail spoofingE-mail spoofing is impersonating a sender, domain or organization through forged message elements.GDPRGDPR is the EU regulation governing personal-data protection and processing.NIS2NIS2 is an EU directive strengthening cybersecurity requirements for essential and important entities.MariaDBMariaDB is a database engine compatible with the MySQL ecosystem.MySQL 8MySQL 8 is a modern version of the popular MySQL database engine.SpamBoxSpamBox is a separate e-mail quarantine for suspicious messages.Antivirus heuristicsAntivirus heuristics detect suspicious patterns even before a ready-made signature exists.