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Show HN: SubAnalyzer subdomain discovery and external attack surface map tool

https://subanalyzer.com
1•TallSession9532•1h ago
I built SubAnalyzer, a tool for discovering and mapping subdomains and external attack surface assets.

Today a lot of security scanning tools will list subdomains by name only, but when you're trying to secure an internet presence you often need more context, like what's actually running on those hosts, thumbnails/screenshots to quickly sort through results, and easy export into formats you can plug into other tools.

SubAnalyzer combines: - fast subdomain enumeration using public and active scanning techniques - screenshot captures for each asset to help you visually triage - a searchable, sortable dashboard of all scans you've run - CSV/JSON export to build automated workflows

It's built primarily for security engineers, pentesters, and infrastructure teams who want an actionable view of their external attack surface without a ton of setup.

I'm happy to answer questions about how it works under the hood, why I built it, or what problems it solves compared to other subdomain tools.

If you want to try the paid feature, use the coupon "HNFEEDBACK".

Thanks!

Associations between infants' head growth patterns and risk of autism

https://www.psypost.org/study-reports-associations-between-infants-head-growth-patterns-and-risk-...
1•amichail•26s ago•0 comments

Notepad++ DLL Hijack (2017)

https://wikileaks.org/ciav7p1/cms/page_26968090.html
1•euler2100•1m ago•0 comments

Dev web of trust and ecosystem (including an analysis of Vouch)

https://github.com/cheater/articles/blob/master/web_of_trust_and_ecosystem.md
1•boltzmann-brain•1m ago•1 comments

Pred_recdec: Predicated LL / recursive descent parser / grammar interpreter in R

https://github.com/wareya/pred_recdec
1•fanf2•2m ago•0 comments

How to run Firecracker without KVM on cloud VMs (2025)

https://blog.alexellis.io/how-to-run-firecracker-without-kvm-on-regular-cloud-vms/
2•indigodaddy•3m ago•0 comments

Show HN: RAGmail – analyze and query your life from your email history

https://github.com/0xfe/ragmail
2•zeroxfe•3m ago•0 comments

ARY: Always Repeat Yourself

https://dolphinmade.com/blog/ary-always-repeat-yourself/
1•rprend•3m ago•0 comments

Show HN: A Trust-First platform launch

https://uptrusting.com/hey-wait
1•longitudinal93•3m ago•0 comments

(Bsky thread) "This turns the maintainer into an unwitting vibe coder"

https://bsky.app/profile/fullmoon.id/post/3meadfaulhk2s
1•birdculture•4m ago•1 comments

EFTA00400459 has been cracked (unredacting select Epstein files)

https://neosmart.net/blog/efta00400459-has-been-cracked-dbc12-pdf-liberated/
1•Y_Y•6m ago•0 comments

Antibiotic use in infancy and overweight during childhood and adolescence

https://www.nature.com/articles/s41366-025-01972-6
2•wjb3•8m ago•0 comments

Kenyan engineer modernizes vintage cars with a custom ECU and EFI upgrades [video]

https://www.youtube.com/watch?v=8sS2q4Pvteg
1•mthomas•9m ago•1 comments

Niche – shop unique collectibles from your terminal

https://niche-henna.vercel.app
1•rehoboam•9m ago•1 comments

Show HN: Voxtral Mini 4B Realtime running in the browser

https://github.com/TrevorS/voxtral-mini-realtime-rs
1•adefa•10m ago•0 comments

Is AGI the right goal for AI?

https://garymarcus.substack.com/p/is-agi-the-right-goal-for-ai
1•doener•10m ago•0 comments

Show HN: Whisper – Long-term memory and context for AI agents

https://www.usewhisper.dev/
1•alameenpd•12m ago•0 comments

TUI visualizer for agentic coding sessions

https://github.com/tg1482/vizier
1•tg1482•13m ago•0 comments

Kwatch: Monitor and detect crashes in your Kubernetes(K8s) cluster instantly

https://github.com/abahmed/kwatch
1•l1am0•13m ago•0 comments

Show HN: Scheme-JS – An R7RS-small Scheme with deep JavaScript interop

https://github.com/mark-friedman/scheme-js
1•markfriedman•13m ago•0 comments

Is California's proposed billionaire tax smart policy? History holds lessons

https://www.latimes.com/california/story/2026-01-26/california-proposed-billionaire-tax-similar-m...
1•PaulHoule•15m ago•0 comments

Pruner – A recursive, Tree-sitter powered formatter

https://pruner-formatter.github.io/
1•julienvincent•16m ago•1 comments

"Ashes of Creation" Game Developer Studio Shuts Down

https://kotaku.com/ashes-creation-steam-layoff-refund-mmo-intrepid-2000665498
1•lenova•19m ago•0 comments

Meta's Next-Generation LLM 'Avocado' Surpasses Top Open-Source Models

https://www.kmjournal.net/news/articleView.html?idxno=8219
1•geoffbp•21m ago•0 comments

A visual tour of IAU SOFA

https://webb.is-a.dev/graph/SOFASummary.png
1•oliverkwebb•22m ago•0 comments

Deepfaking Orson Welles's Mangled Masterpiece

https://www.newyorker.com/magazine/2026/02/09/deepfaking-orson-welless-mangled-masterpiece
1•pseudolus•23m ago•1 comments

Major Pirate Site Shutdown Boosted Visits to Other Pirate Sites (and Netflix)

https://torrentfreak.com/research-major-pirate-site-shutdown-boosted-visits-to-other-pirate-sites...
1•gslin•23m ago•0 comments

Voidtools Everything – Locate files and folders by name instantly

https://www.voidtools.com/
18•idw•24m ago•7 comments

Systemic Software Debugging - Sony Ericsson Course Material (2012)

https://systemicsoftwaredebugging.com/
1•transpute•27m ago•0 comments

Show HN: First AI Employee – Treat AI as a hire, not a chatbot

https://site-beige-ten.vercel.app
1•op-collective•29m ago•1 comments

Show HN: Datui – TUI for data exploration (local files, S3, HTTP)

https://github.com/derekwisong/datui
1•derekwisong•32m ago•0 comments