indexo.dev

circularclassroom.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 4019 ms crawled 2026-05-16

FI · 83.143.220.147 · AS42708 Glesys AB

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Welcome to Circular Classroom
Description
An interactive educational toolkit for upper secondary high school educators and students to integrate circular thinking into the classroom.
Language
en-US
Generator
WordPress 6.4.5
Canonical
/
Translations
  • en
  • et
  • fi
  • sv
Feeds

Open Graph

url
/
title
Welcome to Circular Classroom!
locale
en_US
site name
Circular Classroom
description
An interactive educational toolkit for upper secondary high school educators and students to integrate circular thinking into the classroom.

Technology

Server
nginx
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • static.addtoany.com×1

Social

Contact

Phone

Registration

Registrar
Abion AB
Created
2018-07-03
Expires
2026-07-03 44 days left
Updated
2025-06-26
Name servers
  • ns1.edelkey.net
  • ns2.edelkey.net

DNS records live

NS
  • ns1.edelkey.net
  • ns2.edelkey.net
MX
  • 10 spool.mail.gandi.net
  • 50 fb.mail.gandi.net

Email authentication partial

SPF
v=spf1 a mx include:_mailcust.gandi.net include:sendgrid.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv5nsN+5OhDVIiLPd0N7eNjADcZFvccnols/V+T3rK56cOV4EaskCXTIZTNwRFix5EZlzKxhPAjQartvBFU…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfiTxKU48I+GmMMoOej0h5cQZnqyJepyoFu4WRB8ICX4J2P7UupMTnoTBAN0EzuRV1I/VMrGpc7rBjNjThedrDxj…
selectors probed

Certificate (current)

E7
from 2026-05-01 to 2026-07-30
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (7)

Linked from (2)