indexo.dev

dfos.co

.co crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 1310 ms crawled 2026-05-20

IN · 35.244.53.7 · AS396982 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Document
Language
en

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

DNS records live

NS
  • ns-1236.awsdns-26.org
  • ns-1881.awsdns-43.co.uk
  • ns-285.awsdns-35.com
  • ns-913.awsdns-50.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
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-admin@dfos.co; ruf=mailto:dmarc-admin@dfos.co;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCDDZtQELhgINuRa+aiUE+TkLClBRUrSdH2C4qnNZs1eQV+UUwYc1dh0a3/XSvXiDuY152WDG22n/+cUqHwpA…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-07 to 2026-10-26
Expires in 158 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)