indexo.dev

sisostds.org

.org crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 428 ms crawled 2026-06-01

US · 15.197.148.33 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

DNS records live

NS
  • ns77.domaincontrol.com
  • ns78.domaincontrol.com
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
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:secureserver.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

GoDaddy TLS Intermediate CA DV - R1v1
from 2026-04-29 to 2026-11-13
Expires in 163 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sisostds.org/

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

Linked from (1)