indexo.dev

justmathematicscollective.net

.net crawl

First seen 2026-04-21 · Last seen 2026-05-14 · ok HTTP/1.1 200 680 ms crawled 2026-05-14

CH · 93.190.126.19 · AS210861 Open Networks Association

Reputation 100/100

Classifying

HTML metadata

Title
Just Mathematics Collective

Technology

Server
nginx

Social

Registration

Registrar
NameCheap, Inc.
Created
2020-07-10
Expires
2026-07-10 50 days left
Updated
2024-06-10
Name servers
  • ns1.investici.org
  • ns2.investici.org
  • ns3.investici.org

DNS records live

NS
  • ns1-v6.investici.org
  • ns1.investici.org
  • ns2-v6.investici.org
  • ns2.investici.org
  • ns3-v6.investici.org
  • ns3.investici.org

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-27 to 2026-06-25
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://justmathematicscollective.net/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (2)

Linked from (1)