islcollective.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-18 · ok HTTP/1.1 200 2363 ms crawled 2026-05-14

US · 172.67.70.182 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: 189000+ English ESL free printable worksheets, EFL video lessons
Description: A treasure trove of free English ESL handouts pdf & doc, slides, video quizzes with reading & listening comprehension exercises, vocabulary & grammar practice
Language: en

Open Graph

url: https://en.islcollective.com
title: 189000+ English ESL free printable worksheets, EFL video lessons
locale: en_US
site name: iSL Collective
description: A treasure trove of free English ESL handouts pdf & doc, slides, video quizzes with reading & listening comprehension exercises, vocabulary & grammar practice

Technology

CDN: Cloudflare
CMS: Next.js

Analytics

Google Analytics
Google Tag Manager

Ads

Google Ads (DoubleClick)

Third-party hosts loaded (7)

www.googletagmanager.com×3
googleads.g.doubleclick.net×2
region1.analytics.google.com×2
stats.g.doubleclick.net×2
www.google-analytics.com×2
www.google.com×2
www.google.hu×2

Registration

Registrar

InterNetX GmbH

Created

2009-05-22

Expires

2026-05-22 2 days left

Updated

2025-05-23

Name servers

athena.ns.cloudflare.com
rocky.ns.cloudflare.com

DNS records live

NS

athena.ns.cloudflare.com
rocky.ns.cloudflare.com

MX

10 mail.islcollective.com

TXT

Show 5 TXT records

google-site-verification=EwC0menEc1QFf-vCPTtxDG_jNC4Z_OvORI-6EwRYONc
google-site-verification=wh8LHfyJwdUBE3j_DQDV69IsmITHoY3dxoD5J8sSqmA
MS=ms22034045
Sendinblue-code:d2338df33a492eb8ccf968d4207b6687
facebook-domain-verification=r6v70dd3bd5zobvclohi7lmrxsrxjz

Email authentication partial

SPF

v=spf1 a mx ip4:84.22.107.75 ip4:64.50.144.0/20 ip4:3.86.95.150 include:mail.zendesk.com include:spf.sendinblue.com include:amazonses.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

policy: none (monitoring only) · sp=none

DKIM

mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpuDFs+laI+uqPEV3N5EsNJTPftx2I+BIafi65PgzZuVfmgmDM7bHoFPUXz5/BThZNzprxUWOkmJnYf33jnxb1I+hu/+5u…

selectors probed

Certificate (current)

WE1

from 2026-04-16 to 2026-07-15

Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://en.islcollective.com

findings

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