>• ipconfig.is

HTTP redirect checker

Follow a URL's redirects hop by hop with the status, HTTP version and timings of each, then grade the final page's security headers and cookie flags.

What it checks

• Every redirect hop
• Status, HTTP version and timings
• Security headers, graded
• Cookie flags

The same check from the command line

curl "ipconfig.is/trace?url=http://github.com"

All tools

• Domain security audit: TLS certificate, chain and versions
• DNS lookup: 20 record types, A to DNAME
• DNS propagation checker: 12 public resolvers worldwide
• TLS certificate checker: Validity and days remaining
• SPF, DKIM and DMARC checker: SPF with the 10-lookup limit
• HTTP redirect checker: Every redirect hop
• Domain WHOIS lookup: Registrar and registration date
• Subnet calculator: Network, broadcast and usable range

Every tool is also a key-free API call: see the API reference.