sendy.co

.co crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 1781 ms crawled 2026-05-14

US · 45.33.92.230 · AS63949 Akamai Connected Cloud

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Sendy - Send Newsletters 100x cheaper via Amazon SES
Description: A self hosted newsletter application that lets you send trackable emails via Amazon Simple Email Service (SES) at 100x cheaper than other hosted solutions.
Language: en
Canonical: https://sendy.co/

Technology

Server: Apache

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (6)

dlgo7qh09pizs.cloudfront.net×75
fonts.googleapis.com×2
fonts.gstatic.com×1
js.stripe.com×1
www.googletagmanager.com×1
www.paypal.com×1

DNS records live

NS

ns-1163.awsdns-17.org
ns-156.awsdns-19.com
ns-1857.awsdns-40.co.uk
ns-615.awsdns-12.net

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

google-site-verification=0Jc1aIKOOT6J5fsFR6LE55NPuykyzIcyAji0TtIMsdg
stripe-verification=2704de0fd3c54ff24ae10fe969f56ffc04b0f7a25f22c98210d3e297f5ce88d3

Email authentication strong

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1;p=quarantine

policy: quarantine

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqnJgKRW8Mabkw5eMWtPYe6e5/RGmUtprAAAfX/pAdX8RmFsLMMAhGq0IuFnU5r0TU2abm2sK/ZeVxZ3fHQa…

selectors probed

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA

from 2025-05-16 to 2026-06-15

Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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