WebSniffer
View HTTP Request and Response Headers·websniffer.com
WebSniffer is an online tool that lets users view the HTTP request and response headers of any web page or IP address, including HTTP status codes and the HTML source code returned. Users can choose the request type (GET, POST, HEAD), HTTP version, and simulate different user agents including Googlebot. It also offers a suite of related web lookup tools such as domain, IP, ASN, MAC, DNS, RDAP and email lookups, plus reverse DNS and reverse IP lookups.
What it's for
Features 19
- ASN Lookup tool
- Choose request type: GET, POST, HEAD
- DNS Lookup tool
- Domain Lookup tool
- Email Lookup tool
- IP Lookup tool
- List of selectable user agents including Googlebot
- MAC Lookup tool
- My IP / User Agent lookup
- RDAP Lookup tool
- Reverse DNS lookup
- Reverse IP lookup
- Supports secure (HTTPS) connections
- Supports sniffing of IP addresses
- Switch between HTTP/1.0 and HTTP/1.1 protocols
- View HTML source code of a requested page
- View HTTP request headers
- View HTTP response headers
- View HTTP status codes
At a glance
Resources
Pricing
The core header-checking tool is described as completely free to use; the listed Basic/Pro/Premium plans (with storage, email and domain allowances) appear to be for an additional account-based service rather than the free header lookup tool itself.
10GB Storage, 10 Emails, 10 Domains, Endless Support
10GB Storage, 10 Emails, 10 Domains
25GB Storage, 25 Emails, 25 Domains, Endless Support
25GB Storage, 25 Emails, 25 Domains
50GB Storage, 50 Emails, 50 Domains, Endless Support
50GB Storage, 50 Emails, 50 Domains