PROMO EXPERT TOOLS
Tools for web, SEO & marketing
Website diagnostics, domain, hosting and network checks
in one place. Free practical tools created by
Promo Expert, a Czech digital marketing agency.
All Tools
01
IP Insight
Public IPv4 and IPv6 addresses,
approximate location and internet provider.
02
HTTP Response Checker
Check HTTP status codes, redirect chains,
response headers and server response details.
03
DNS Checker
A, AAAA, CNAME, MX, NS, TXT,
SOA and CAA records for any domain.
04
WHOIS Lookup
Domain registrar, registration dates,
contacts, nameservers and DNSSEC information.
05
Hosting Info
Hosting provider, IP address, ASN,
reverse hostname and server location.
06
SSL Checker
SSL certificate, issuer,
validity period and expiration date.
07
Canonical Redirect Checker
Check domain variants and duplicate homepage URLs
for direct 301 redirects to the preferred website version.
08
CMS Detector
Detect the CMS, website builder
and technologies used by a website.