kilaz.com · Network

Network & Internet Tools

Check DNS records, SSL certificates, HTTP headers, WHOIS/RDAP, IP and ASN ownership, spam blacklists and email security, plus ping and traceroute from our looking glass.

11 tools
You: 216.73.216.136
Country: US
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📍 What's My IP 🌐 DNS 🔒 SSL Certificate 📨 HTTP Header 🧮 Subnet / CIDR 🪪 WHOIS Lookup (RDAP)

All network & internet tools

What's My IP See your public IP, IPv4/IPv6, reverse DNS, browser and OS, and the headers your browser sends.

DNS Lookup Look up A, AAAA, CNAME, MX, NS, TXT, SOA and CAA records for any domain, with TTLs.

SSL Certificate Checker Check a site’s TLS certificate: expiry and days left, issuer, SANs, key, chain and hostname match.

HTTP Header Checker Inspect response headers, follow redirects hop by hop and audit HSTS, CSP and other security headers.

Subnet / CIDR Calculator IPv4 and IPv6 subnet maths: network, broadcast, host range, masks, binary view and subnet splitter.

WHOIS Lookup (RDAP) Registrar, creation and expiry dates, status, name servers and abuse contacts for any domain, IP address or AS number.

IP & ASN Lookup Which network announces an IP: ASN, BGP prefix, owner, RPKI status, location and abuse contact, or the prefixes an AS announces.

Cloudflare IP Tools Check whether an IP or website is behind Cloudflare and which data centre serves it, and copy Cloudflare's IP ranges as nginx, Apache or firewall config.

DNS Blacklist Checker Check an IP address or domain against 15 spam blacklists (Spamhaus, Barracuda, SpamCop, SURBL, URIBL and more), with removal links.

Email Security Checker Grade a domain's email setup: MX, SPF (10-lookup limit), DKIM, DMARC, MTA-STS, TLS-RPT and BIMI, with plain-English fixes.

Looking Glass Ping and traceroute from our server in Canada, plus an index of public looking glasses (Hurricane Electric, NTT, Lumen, Cogent…) and BGP tools.

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