indexo.dev

imaginarynumber.net

.net crawl

First seen 2026-04-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 1349 ms crawled 2026-05-07

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Imaginary Number - Evan Shelhamer
Language
en

Open Graph

title
Imaginary Number
description
Imaginary Number: Solving Complex Problems

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (1)

  • use.typekit.com×1

Social

Contact

Email

Registration

Registrar
Gandi SAS
Created
2005-10-06
Expires
2026-10-06 140 days left
Updated
2025-08-07
Name servers
  • ns-153-b.gandi.net
  • ns-198-a.gandi.net
  • ns-66-c.gandi.net

DNS records live

NS
  • ns-153-b.gandi.net
  • ns-198-a.gandi.net
  • ns-66-c.gandi.net
MX
  • 10 spool.mail.gandi.net
  • 50 fb.mail.gandi.net

Email authentication partial

SPF
v=spf1 include:_mailcust.gandi.net ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-29 to 2026-06-27
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://imaginarynumber.net/

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

Links to (3)

Linked from (2)