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Spotzee offers one-off utilities, Extended API endpoints, and tools inside the project workspace. Availability and billing vary by tool; follow each guide for its supported surface and current usage details.
Choose the supported surface. Some utilities have a one-off web form at spotzee.com/tools, some have an Extended API endpoint, and Blacklist Monitoring and Email Proxy live in the project workspace. Check the linked guide and pricing page before using a tool.
Use the tool when you need a single answer fast. Read the guide when you need to know what the answer means, what to do about it, and where it fits in the broader workflow.

Pick a tool by intent

Email validation

Tools for checking address format, identifying a recognised mail host, and inspecting domain configuration.

Email syntax validator

Check an address’s format before further verification.

Email provider check

Look for a recognised mail host in a domain’s MX records; unrecognised results need review.

Email health check

Inspect public mail and authentication records with a score, check results and data completeness.

Disposable email checker

Check whether an address or domain matches a known disposable-email provider.

Email spam checker

Send a test message and review authentication, reputation, content and link scores.

Email address validator

Assess an address and review its validation status, detail code and address flags.

DNS & auth

Tools for resolving and auditing the DNS records that underpin email authentication.

SPF lookup

Retrieve matching SPF TXT values for a domain; review their mechanisms and qualifier.

SPF generator

Build a formatted SPF record from your IPs, include: domains and policy qualifier.

DMARC lookup

Retrieve raw DMARC records and read their policy, alignment and reporting tags.

DMARC generator

Build a DMARC record from your policy, subdomain settings, and reporting setup.

MX lookup

Resolve mail server hostnames and priority values for a domain.

DNS lookup

Query A, AAAA, MX, TXT, CNAME, NS, SOA and other DNS record types for any hostname.

Sender score lookup

Review an IPv4 address’s sender score, rating and volume tier when available.

DNS security check

Grade DNSSEC, DANE, CAA records, registry lock and 9 other DNS security controls — A–F with prioritised recommendations.

Blacklist & security

One-off checks for domain and IP blacklist status.

Domain blacklist check

Check a domain against configured DNS blacklists and review each reported result.

IP blacklist check

Check a sending IP against supported DNS blacklists and review each reported result.

Malicious URL lookup

Review the tool’s availability and limitations before using its result.

URL verifier

Check whether an HTTPS URL returns a successful response from the test service.

TCP port checker

Check whether a host and port accept a connection from the test service; this does not verify the application protocol.

Content analysis

Tools that score and analyse email content before you send.

Email subject line scorer

Score any subject line across 14 criteria — spam words, readability, length and sentiment.

Email subject line suggester

Generate a requested number of subject line variations from a draft and review them before use.

Readability scorer

Compare readability formula scores and estimated reading time for a piece of text.

Sentiment analysis

Inspect positive and negative word scores in text; review the words in context.

Blacklist monitoring

Scheduled and on-demand checks for sending IPs and domains against email blacklists.

Overview

What the tool watches, how it alerts, and how groups work.

Setup

Add IPs, add domains, pick a check cadence, configure alerts.

IPs

Manage monitored IPs, review their current status, and queue on-demand checks.

Domains

Manage monitored domains and inspect domain-blacklist results.

Groups

Group resources by client, brand, or product line for routed alerts.

Bulk import

Add many IPs or domains at once via CSV.

Alerts

Configure digest email recipients and respond to blacklist results.

Troubleshoot

Checks for pending resources, paused monitoring, missed digests and CSV import errors.

SMTP testing

SMTP test availability and a separate test for sending a real message.

SMTP server test

Review SMTP server test availability and limitations.

SMTP email test

Submit a test message through your SMTP server, then inspect server acceptance and check the recipient mailbox separately.

Data generation

Tools that generate synthetic test data — names, contacts, dates and more — for development, testing and prototyping without using production records.

Person data generator

Create localised person profiles with optional job, biography and personal fields for tests and prototypes.

Contact data generator

Generate synthetic email, website, phone, account and social fields for CRM tests and API integration.

Name generator

Generate synthetic name fixtures with locale, gender, type and seed controls.

Date generator

Generate ISO dates, month names, weekdays and time-zone identifiers with range, locale and seed controls.

Phone data generator

Generate phone number and IMEI fixtures with locale, style, method and seed controls.

Company data generator

Generate company names, catch phrases and business vocabulary for CRM tests and prototypes.

Commerce data generator

Generate product, price, department and ISBN fixtures for ecommerce tests and catalogues.

Finance data generator

Generate account, card, currency, IBAN and payment fixtures for tests.

Food data generator

Generate dish, cuisine, ingredient and menu fixtures for tests.

Git data generator

Generate branch, commit, SHA and log-entry fixtures for parser tests.

Animal data generator

Generate animal species, breed and pet-name fixtures for tests.

Book data generator

Generate title, author, genre and publisher fixtures for tests.

Vehicle data generator

Generate vehicle, VIN and registration fixtures for test datasets.

Dev fixture generator

Generate file, MIME, cron, interface and semver fixtures for parser tests.

Colour generator

Generate RGB, HSL, CMYK and CSS colour fixtures for design-system QA.

Lorem ipsum generator

Generate words, paragraphs, slugs and lines for layout and CMS fixtures.

Word data generator

Generate adjectives, nouns, verbs and word-list fixtures for search and taxonomy tests.

Random string generator

Generate UUID, ULID, Nano ID and custom string fixtures for validation tests.

Random number generator

Generate integer, float, BigInt and base-number fixtures for parser tests.

Airline data generator

Generate airline, airport, flight and booking fixtures for travel QA.

Database data generator

Generate column, engine, ObjectId and type fixtures for schema tests.

Boolean generator

Generate true or false fixtures for flags, toggles and validators.

Tech jargon generator

Generate technical jargon, abbreviations, adjectives, nouns and verbs as a lorem-ipsum-alternative.

Placeholder image generator

Generate placeholder image URLs and SVG data URIs for prototypes, avatars and design-system fixtures.

Music data generator

Generate album, artist, genre and song name fixtures for music app prototypes and catalogue screens.

Science data generator

Generate chemical element and SI unit fixtures for chemistry quizzes, learning content and conversion tests.

Location data generator

Generate address, city, country, GPS coordinate and zip code fixtures for maps, geo apps and location-aware tests.

Internet data generator

Generate email, IP, domain, JWT, MAC, password and user agent fixtures for API tests, mock services and demos.

Other tools

Phone number validator

Check phone-number format and return an international number and country identifiers when valid.

Sendmux integration

View activity from a connected Sendmux account inside Spotzee.

Overview

What Sendmux does and how it integrates with the rest of Spotzee.

Logs

Inspect message-level delivery, bounce, and rejection logs.