All Tools
Explore every tool and reference in the CuscusLab toolkit.
Try: DNS, SSL, WHOIS, MX, or DNSSEC
Core Tools
Primary utilities for everyday checks.
Image Tools
Free image editor accessible from your browser.
DNS Security & Record Lookup
Validate security-related DNS signals.
DNSSEC Check
Signed delegationSPF Validation
Sender policyDKIM Lookup
Mail signingDMARC Check
Mail alignmentCAA Lookup
CA authorizationSecurity.txt Gen
Vulnerability policyHTTP Headers
Security analysisEmail Header Analyzer
Trace & verify deliveryWebsite OS Checker
Detect server OS & techNetwork Latency
Check ping & responsePrivate IP Checker
Check RFC 1918 rangesA / AAAA Lookup
IPv4 + IPv6CNAME Lookup
Alias recordsMX Lookup
Mail routingNS Lookup
NameserversPTR Lookup
Reverse DNSSOA Lookup
Authority dataSRV Lookup
Service recordsTXT Lookup
Text recordsGlobal DNS Check
Worldwide resolversGeo DNS Result
Regional answersTTL Countdown
TTL timingText Manipulation Tools
Clean, transform, and structure text quickly.
Case Converter
Upper, lower, titleTrim & Whitespace Cleaner
Normalize spacingRemove Duplicate Lines
Unique linesSort Lines
A-Z or Z-AFind & Replace (Batch)
Bulk editsPrefix & Suffix Lines
Edit line starts/endsAdd Line Numbers
Add countersText Splitter / Joiner
Split or mergeRemove Empty Lines
Clean listsExtract Between Delimiters
Target segmentsText Repeater
Repeat blocksWord / Character Counter
Counts and statsSlug Generator
URL-friendly textRemove HTML Tags
Plain textMarkdown Studio
Live preview & HTMLText Diff (Compare)
Compare stringsRemove or Keep Lines
Filter & extractText Reverser
Reverse chars or wordsList Randomizer / Shuffler
Shuffle linesString Escaper / Unescaper
Escape for codeRemove Accents
Convert diacriticsFilter Lines by Length
Min/max lengthRemove Extra Spaces
Clean and collapseAdd Word Prefix / Suffix
Wrap every wordRemove Non-ASCII Chars
Sanitize symbolsIP Security
Assess reputation and abuse signals.
IP Lookup
Locate and profile IP addresses.
IP Utilities
Quick helpers for IP formatting and ranges.
Encoding & Hashing
Encode data and verify hashes.
IP Learn
Short references for key IP concepts.
Web Security
Inspect HTTP response and server fingerprints.
Network Tools
Connectivity checks for IP endpoints.
Formatting & Minify
Clean and optimize common formats.
Web Utilities
Convenience tools for daily tasks.