Website Down Checker (Is It Down?)
Check whether a website is up from our server: HTTP status, redirect chain, response time, server software and security headers — a quick is-it-down-or-just-me test.
September 29, 2026
What Is My IP Address?
See your public IP address as servers see it, with reverse DNS, network owner and country — useful for firewall whitelisting in CSF, cPHulk, Imunify360 or cloud security groups.
September 29, 2026
WHOIS Lookup: Free RDAP Domain and IP Owner Check
Look up domain registration (registrar, dates, status, name servers, DNSSEC), IP address ownership (network, range, abuse contact) and AS numbers using the registries' RDAP service.
September 29, 2026
Secure Password Generator
Generate strong random passwords or passphrases in your browser using the Web Crypto API — for root, database, WHM, panel and API credentials.
September 29, 2026
Reverse DNS Lookup: Free Bulk PTR Check for 25 IPs
Look up the PTR records for up to 25 IPv4 or IPv6 addresses at once and check that each hostname resolves back to the same IP (forward-confirmed rDNS).
September 29, 2026
IPv6 Subnet Calculator
Expand and compress IPv6 addresses, find the network, first and last address of any prefix, count /64 subnets and build the ip6.arpa PTR name.
September 29, 2026
chmod Calculator
Convert Linux file permissions between octal (755) and symbolic (rwxr-xr-x) notation, see what owner, group and others can do, and catch world-writable settings.
September 29, 2026
Cron Expression Helper
Explain any 5-field cron expression in plain English and list its next eight run times, including ranges, steps, names and @daily-style shortcuts.
September 29, 2026
DNS Lookup: Query Any Record Type
Look up A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, DS, DNSKEY and HTTPS records for any domain from 17 public resolvers or the domain's own authoritative name server, with DNSSEC validation status.
September 29, 2026
DNS Propagation Checker
Check whether a DNS change has reached 17 public resolvers run by Google, Cloudflare, Quad9, OpenDNS, AdGuard, Yandex, AliDNS and others, with TTLs and a consensus view.
September 29, 2026
Warm Up New Mail Server IP Without Spam Problems
A practical warm-up plan for a new cPanel, DirectAdmin or Postfix mail server IP or a new sending domain — authentication first, a volume ramp by day, relay options, automated warm-up tools and the signals that tell you to slow down.
September 29, 2026
Best VPS for cPanel and DirectAdmin in 2026: What to Check
What actually matters when you pick a VPS for a cPanel, DirectAdmin or LiteSpeed hosting server — virtualization type, reverse DNS, outbound port 25, backups, licensing and support — and how InterServer, Vultr, DigitalOcean, Hostinger and Cloudways compare on those points.
September 29, 2026