indexo.dev

sendio.com

.com dns crawl

First seen 2026-05-02 · Last seen 2026-05-20 · ok HTTP/1.1 200 1504 ms crawled 2026-05-09

US · 172.67.145.168 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Sendio Technologies – Email Security and Productivity
Language
en-US
Generator
WordPress 6.9.4
Canonical
https://sendio.com/
Feeds

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Contact

Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2003-04-04
Expires
2027-04-03 317 days left
Updated
2026-04-04
Name servers
  • david.ns.cloudflare.com
  • hope.ns.cloudflare.com

DNS records live

NS
  • david.ns.cloudflare.com
  • hope.ns.cloudflare.com
MX
  • 0 esp.sendio.com
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 ip4:207.38.122.36 include:esp.sendio.com include:_spf.salesforce.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-feedback@sendio.com,mailto:dmarc_agg@vali.email;
policy: none (monitoring only)
DKIM
  • dkim: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDG19tiGXYL4+73+q5NeK4Yb9divBiVqzYPEC5DREG1vYeSNELVqMjlSmNT28NEBq+FREuSiUf5X8CyaLZVyyGXseI21bK…
selectors probed

Certificate (current)

WE1
from 2026-05-05 to 2026-08-03
Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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