guides.co

.co crawl

First seen 2026-05-05 · Last seen 2026-05-18 · ok HTTP/1.1 200 2308 ms crawled 2026-05-12

CA · 16.52.251.42 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Guides: We Bring Knowledge To Life
Language: en

Open Graph

title: Guides: We Bring Knowledge To Life
description: Guides: Where the world shares knowledge that matters

Technology

Server: nginx

Fonts

Google Fonts

Third-party hosts loaded (3)

accounts.google.com×1
cdn.ravenjs.com×1
fonts.googleapis.com×1

Social

DNS records live

NS

ns-1217.awsdns-24.org
ns-1880.awsdns-43.co.uk
ns-404.awsdns-50.com
ns-522.awsdns-01.net

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

TXT

netlify-challenge=bc2085ad48608952507271f4b312e1b2
stripe-verification=2d3e6397b8ff7d4f37df7c4ca97648a92339a99e50c8a45d090582b601bf6f7c
google-site-verification=CgPjLofIcNAZ1_W6zq4UhbvnPB9zuBVU2KIPGM2cU2I

Email authentication partial

SPF

v=spf1 include:_spf.google.com include:spf.mailjet.com include:helpscoutemail.com -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhnkzEAMJrUxkUnK/8eMndjPNeGi+2OSI2zXc0zBXaaXogju5jN+kWSHkHIci0H6Rt/J7objkpeUGYm…

selectors probed

Certificate (current)

Amazon RSA 2048 M01

from 2026-03-22 to 2026-10-06

Expires in 140 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://guides.co/

findings

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

Links to (1)

linkedin.com×1