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matcalc.ai

.ai crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 501 ms crawled 2026-05-07

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home | MatCalc
Description
MatCalc is a Python library for calculating materials properties from the potential energy surface.
Language
en-US
Generator
Jekyll v3.10.0
Canonical
http://matcalc.ai/

Open Graph

url
http://matcalc.ai/
title
Home
locale
en_US
site name
MatCalc
description
MatCalc is a Python library for calculating materials properties from the potential energy surface.

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (4)

  • img.shields.io×3
  • github.com×2
  • codecov.io×1
  • raw.githubusercontent.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2025-03-20
Expires
2027-03-20 305 days left
Updated
2025-03-25
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 10 eforward1.registrar-servers.com
  • 10 eforward2.registrar-servers.com
  • 10 eforward3.registrar-servers.com
  • 15 eforward4.registrar-servers.com
  • 20 eforward5.registrar-servers.com

Email authentication weak

SPF
v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-24 to 2026-07-23
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://matcalc.ai/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (10)

Linked from (2)