indexo.dev

safing.io

.io crawl

First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 3081 ms crawled 2026-05-17

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Portmaster - Application Firewall by Safing
Description
Portmaster is a free and open-source application that puts you back in charge over all your computer's network connections. Increase your privacy and security. Get peace of mind.
Language
en

Open Graph

url
https://safing.io/
title
Portmaster - Application Firewall by Safing

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (1)

  • img.shields.io×1

Social

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 10 mxext1.mailbox.org
  • 20 mxext2.mailbox.org
  • 30 mxext3.mailbox.org
TXT
  • MS=ms92668260

Email authentication partial

SPF
v=spf1 mx include:mailbox.org -all
strict (-all)
DMARC
v=DMARC1;p=none;ruf=mailto:noc@safing.io
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://safing.io/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31557600

Links to (7)

Linked from (1)