aatrn.net

.net crawl

First seen 2026-04-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 1052 ms crawled 2026-05-14

US · 198.185.159.145 · AS53831 Squarespace, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: AATRN
Language: en-US

Open Graph

url: https://www.aatrn.net/
title: AATRN
description: Bringing together researchers across the world to develop and use applied and computational topology. Find out how you can participate and join AATRN, the Applied Algebraic Topology Research Network. Membership is free, and all of our events are free. Also, please check out all our content on our

Technology

Server: ESF

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

lh3.googleusercontent.com×11
fonts.googleapis.com×2
www.gstatic.com×2
apis.google.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

Squarespace Domains II LLC

Created

2021-07-12

Expires

2026-07-12 54 days left

Updated

2025-06-27

Name servers

ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com

DNS records live

NS

ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com

Email authentication no MX

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

Certificate (current)

R13

from 2026-04-15 to 2026-07-14

Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.aatrn.net/

present

content-security-policy
x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy
cross-origin-resource-policy

findings

missing HSTS
CSP allows unsafe inline scripts/styles
missing Permissions Policy

Header values

referrer-policy: origin
x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: base-uri 'self';object-src 'none';report-uri /_/view/cspreport;script-src 'report-sample' 'nonce-jQ-v9rLbn0Tq6XpUDnaKnA' 'unsafe-inline' 'unsafe-eval';worker-src 'self';frame-ancestors https://google-admin.corp.google.com/
cross-origin-opener-policy: unsafe-none
cross-origin-resource-policy: same-site