DNS & domain glossary
Understand the records, protocols and settings behind a domain report. All 94 entries are currently available in English.
- 403 Forbidden
- 404 Not Found
- 5xx server errors
- A record
- AAAA record
- Automatic domain renewal
- Blocklist
- CAA record
- CNAME record
- Connection encryption
- Content delivery network
- Custom domain email
- DKIM
- DMARC
- DMARC monitoring
- DNS
- DNS cache
- DNS delegation
- DNS propagation
- DNS record
- DNS resolver
- DNS zone
- DNSKEY record
- DNSSEC
- Domain expiration
- Domain extension / TLD
- Domain hold
- Domain name
- Domain registrant
- Domain registrar
- Domain registration
- Domain registration data
- Domain registration status
- Domain registry
- Domain renewal
- Domain reputation
- Domain transfer
- Domain transfer authorization code
- Domain transfer lock
- Domain verification
- DS record
- Email alias
- Email forwarding
- Email mailbox
- Email provider
- Email quarantine and rejection
- Email spoofing
- False positive
- HEAD and GET requests
- Hosting provider
- HTTP
- HTTP status code
- HTTPS
- HTTPS and SVCB records
- Incomplete check result
- IP address
- IPv4 and IPv6
- Mail server
- Malware
- MTA-STS
- MX priority
- MX record
- Nameserver
- Network operator and ASN
- No DNS record
- No issues detected
- NS record
- Null MX
- NXDOMAIN
- Origin server
- Permanent and temporary redirects
- Phishing
- Rate limit
- RDAP
- Redirect
- Redirect loop
- Reverse DNS and PTR record
- Server
- SERVFAIL
- SOA record
- Spam
- SPF
- Subdomain
- Timeout
- TLS and SSL
- TLS certificate
- TLS-RPT
- TTL
- TXT record
- URL
- Web hosting
- Website
- WHOIS
- WWW and non-WWW