We build the security and networking tools we want to use.

// what we make
// flagship product Live

UglyDMARC

We take the Ugly out of DMARC.

DMARC, SPF, and DKIM monitoring that turns raw aggregate reports into a clear picture of who is sending email as your domain. Get to enforcement confidently — without blocking the mail that matters.

  • Human-readable DMARC report parsing
  • Source & alignment visibility
  • A guided path to p=reject
Visit UglyDMARC.com →
// web · live · android soon Live on web

Ugly IPv4 CIDR Calculator

A fast, accurate IPv4 subnet and CIDR calculator built for real network work — subnetting, address planning, and troubleshooting. Free on the web now, with an Android app on the way.

  • Network, broadcast & host ranges
  • Subnet splitting and supernetting
  • Clean, engineer-friendly UI
// free · web Free

UglyTools

A growing collection of free, no-signup IT utilities — IP and DNS lookups, network checks, and everyday tools that run right in your browser.

  • No accounts, no paywalls
  • "What's my IP" & connection details
  • More utilities added over time
Open UglyTools ↗
// the name's a joke. the software isn't.

What we're about

Ugly Pumpkins LLC is a small, independent software startup. We tackle problems we hit inside large enterprises — and solve them at a price everyone can afford.

01

Correctness first

Networking and email security are unforgiving. Right answers beat pretty ones — and we sweat the edge cases.

02

No bloat

Tools that do one job well, stay out of your way, and don't drown you in dashboards you'll never open.

03

Built by operators

Made by people who've actually run infrastructure — not a checklist of features dreamed up in a meeting.

Stop guessing who's sending mail as your domain.

UglyDMARC gives you the full picture — and a clear path to enforcement.

Get started with UglyDMARC →