Routes inbound email for a domain.
10 mail.example.com
Check: Lower priority values are tried first. Pair with SPF, DKIM, and DMARC for mail trust.
Search DNS records used for websites, email delivery, domain verification, routing, and certificate policy without querying a live domain.
Search common DNS records used for websites, email delivery, verification, routing, and certificate policy without querying a live domain.
Routes inbound email for a domain.
10 mail.example.com
Check: Lower priority values are tried first. Pair with SPF, DKIM, and DMARC for mail trust.
DNS records connect human-readable domains to web servers, mail systems, verification providers, certificate policies, and service discovery rules. A small DNS mistake can break a website, email delivery, or certificate issuance.
Understanding record types helps teams make safer changes before editing a live zone.
MX records route inbound mail. SPF, DKIM, and DMARC help receiving systems evaluate whether a message is authorized and aligned with the sending domain.
For disposable email, support inboxes, and signup workflows, correct email DNS records reduce false failures and make domain ownership clearer.
The tempboxs DNS Record Type Lookup explains record types locally. It does not resolve real domains, check propagation, or validate your current zone.
Before changing production DNS, confirm provider-specific syntax, TTL behavior, existing records, and rollback options.
DNS record lookup runs locally in your browser. tempboxs does not query live DNS or receive searched domains.
Review A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, NS, SOA, SRV, and CAA records.
Compare MX, SPF, DKIM, and DMARC roles when debugging deliverability or domain verification.
Copy concise record explanations into support tickets, DNS change notes, or setup documentation.
Learn more about privacy, tracking, passwords, and safer signups.

Learn what common DNS records do, how email records work together, and what to check before changing a live DNS zone.

Learn how From, Reply-To, Return-Path, Received, SPF, DKIM, and DMARC headers can help you investigate suspicious emails safely.

How engineers and growth teams use throwaway addresses to verify flows, catch odd traffic, and keep production mailboxes clean.

Learn how HTTP status code classes work, what common API and website responses mean, and what to check when debugging.
Review content quality, policy pages, ad placement, crawlability, and technical files before AdSense checks.
Generate a Google AdSense ads.txt line and check pasted authorized-seller records locally before publishing.
Generate random UUID v4 identifiers in your browser, copy one value, or create a small batch for testing.
Convert Unix timestamps, milliseconds, ISO dates, and local-readable times locally in your browser.
Paste page HTML to inspect title tags, meta descriptions, canonical URLs, robots directives, Open Graph tags, and JSON-LD locally in your browser.
Generate JSON-LD schema markup for articles, FAQ pages, web pages, and browser tools locally before publishing.
Draft Open Graph and Twitter card preview tags locally for articles, tools, landing pages, and social shares.
Generate an llms.txt draft for AI discovery with public pages, useful tools, safety notes, and crawling guidance.
Generate sitemap XML from public URLs and check duplicate or invalid entries locally before publishing.
Paste robots.txt rules to test whether a URL path appears allowed or blocked for Googlebot, Bingbot, or another crawler locally in your browser.
Decode JWT headers and payloads locally in your browser, inspect claims, and learn what still needs verification.
Check password length, character variety, common patterns, and estimated guess resistance locally in your browser.
Paste email HTML to find likely tracking pixels, remote images, and marketing links locally in your browser.
Convert common YAML snippets into formatted JSON locally in your browser for configs, docs, and API examples.
Parse browser, operating system, device, engine, and bot hints from user agent strings locally in your browser.
Paste raw email headers to inspect sender fields, authentication results, and delivery hops locally in your browser.
Parse a URL into protocol, origin, hostname, port, path, query parameters, hash, and decoded components locally in your browser.
Encode URL text into percent-escaped values or decode encoded URLs locally in your browser.
Clean tracking parameters from links, decode common redirect URLs, and inspect domains locally in your browser.
Build campaign URLs with UTM source, medium, campaign, term, and content parameters locally in your browser.
Format, minify, and validate JSON locally in your browser with clear error feedback.
Encode HTML-sensitive characters or decode named and numeric entities locally in your browser for docs, blog posts, comments, and support replies.
Test JavaScript regular expressions, flags, matches, indexes, and capture groups locally in your browser.
Look up common file extensions, MIME types, categories, and delivery notes locally in your browser.
Preview Markdown headings, lists, links, inline styles, and code blocks locally in your browser before publishing docs or guides.
Generate a browser-only privacy checklist for signups, support tickets, link sharing, and publishing workflows.
Count words, characters, sentences, paragraphs, reading time, speaking time, and repeated terms locally in your browser.
Check foreground and background hex colors against common WCAG contrast thresholds locally in your browser.
Explain five-field cron expressions locally in your browser with readable field meanings and schedule warnings.
Convert CSS px, rem, em, and percent values locally in your browser with adjustable root and parent font sizes.
Convert CSV or tabular spreadsheet exports into formatted JSON locally in your browser with header and delimiter controls.
Convert text into lowercase, uppercase, title case, sentence case, slug, snake_case, kebab-case, camelCase, and PascalCase locally in your browser.
Look up common HTTP status codes, meanings, categories, and troubleshooting notes locally in your browser.
Encode plain text to Base64 or decode Base64 back to UTF-8 text locally in your browser.
Generate SHA-256, SHA-384, and SHA-512 hashes for text or local files without uploading them.
No. This is a local reference lookup. It does not query live DNS records or send searched values to tempboxs.
MX records route inbound mail. SPF, DKIM, and DMARC are related email authentication and policy records.
Traditional DNS does not allow a CNAME at the zone apex, though some providers offer flattening or ALIAS-style behavior.
CAA records limit which certificate authorities may issue certificates for a domain. Misconfigured CAA can block certificate issuance.