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oakridgeperiodictables.com

.com ok HTTP/1.1 200 406 ms

First seen 2026-06-16 · Last seen 2026-06-16 · crawled 2026-06-16

US · 198.49.23.144 · AS53831 Squarespace, Inc.

Reputation 94/100 dmarc monitor-only

sector education subsector education media type landing page

HTML metadata

Title
Oak Ridge Periodic Tables
Language
en-US
Canonical
https://www.oakridgeperiodictables.com

Open Graph

url
https://www.oakridgeperiodictables.com
title
Oak Ridge Periodic Tables
site name
Oak Ridge Periodic Tables

Contact

Technology

Server
Squarespace
CMS
Squarespace
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • assets.squarespace.com×10
  • images.squarespace-cdn.com×5
  • definitions.sqspcdn.com×4
  • static1.squarespace.com×4
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Social

Registration

Registrar
Squarespace Domains LLC
Created
2021-07-28
Expires
2026-07-28 37 days left
Updated
2025-07-13
Name servers
  • dns1.p01.nsone.net
  • dns2.p01.nsone.net
  • dns3.p01.nsone.net
  • dns4.p01.nsone.net
  • ns01.squarespacedns.com
  • ns02.squarespacedns.com
  • ns03.squarespacedns.com
  • ns04.squarespacedns.com

DNS records live

NS
  • dns1.p01.nsone.net
  • dns2.p01.nsone.net
  • dns3.p01.nsone.net
  • dns4.p01.nsone.net
  • ns01.squarespacedns.com
  • ns02.squarespacedns.com
  • ns03.squarespacedns.com
  • ns04.squarespacedns.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
not published
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-24 to 2026-08-22
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.oakridgeperiodictables.com/

present
  • strict-transport-security
  • x-content-type-options
findings
  • short HSTS max-age
  • 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=0

Links to (4)

Linked from (1)

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