indexo.dev

davidmathlogic.com

.com crawl

First seen 2026-04-18 · Last seen 2026-05-12 · ok HTTP/1.1 200 2757 ms crawled 2026-05-12

DE · 63.176.8.218 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
David Nichols
Description
Personal website for David Nichols, mathematical logician.
Language
en

Open Graph

url
http://www.davidmathlogic.com/
title
David Nichols
description
Personal website for David Nichols, mathematical logician.

Technology

CDN
Netlify
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Registration

Registrar
Squarespace Domains II LLC
Created
2016-03-04
Expires
2027-03-04 288 days left
Updated
2026-02-17
Name servers
  • dns1.p05.nsone.net
  • dns2.p05.nsone.net
  • dns3.p05.nsone.net
  • dns4.p05.nsone.net

DNS records live

NS
  • dns1.p05.nsone.net
  • dns2.p05.nsone.net
  • dns3.p05.nsone.net
  • dns4.p05.nsone.net
MX
  • 10 mx.zoho.com
  • 20 mx2.zoho.com

Email authentication weak

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

Certificate (current)

E8
from 2026-03-21 to 2026-06-19
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://davidmathlogic.com/

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=31536000

Linked from (1)