mystmd.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1383 ms crawled 2026-05-18

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: MyST Markdown - Tools for the future of technical communication - MyST Markdown
Description: Community-driven tools for the future of technical communication and publication. MyST makes Markdown more extensible and powerful to support an ecosystem of tools for computational narratives, technical documentation, and open scientific communication.
Language: en
Generator: mystmd

Open Graph

title: MyST Markdown - Tools for the future of technical communication - MyST Markdown
description: Community-driven tools for the future of technical communication and publication. MyST makes Markdown more extensible and powerful to support an ecosystem of tools for computational narratives, technical documentation, and open scientific communication.

Technology

CDN: Vercel

Third-party hosts loaded (1)

cdn.jsdelivr.net×2

Social

Registration

Registrar

Squarespace Domains II LLC

Created

2023-05-13

Expires

2027-05-13 358 days left

Updated

2026-05-13

Name servers

ns-cloud-d4.googledomains.com
ns-cloud-d1.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d2.googledomains.com

DNS records live

NS

ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Email authentication weak

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

not published

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo6npj3H44j/YQYkzNQO7lPJhAJG/5nC7A6AzL8k5iv7lSAUZ0q8U91FFtg5TABSfsRvlYTR/rUfMvN…

selectors probed

Certificate (current)

R12

from 2026-04-02 to 2026-07-01

Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://mystmd.org/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000