indexo.dev

psiphon3.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1527 ms crawled 2026-05-18

US · 18.165.122.78 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Psiphon

Technology

CDN
Amazon CloudFront
Server
AmazonS3

Registration

Registrar
Amazon Registrar, Inc.
Created
2011-09-21
Expires
2026-09-21 124 days left
Updated
2026-05-13
Name servers
  • ns-1481.awsdns-57.org
  • ns-1905.awsdns-46.co.uk
  • ns-47.awsdns-05.com
  • ns-666.awsdns-19.net

DNS records live

NS
  • ns-1481.awsdns-57.org
  • ns-1905.awsdns-46.co.uk
  • ns-47.awsdns-05.com
  • ns-666.awsdns-19.net
MX
  • 0 mx.psiphon3.com
TXT
  • spf2.0/pra include:amazonses.com ip4:107.23.91.96 ip4:107.23.55.177 include:_spf.google.com -all
  • brave-ledger-verification=26f733d663cf2ba9207982e7a7dd59c562deb86785c94ec6de0f4c9634e49835
  • google-site-verification=KaifK4SdTaNtKGRQrFQ6zZsH1IsWMlB03dZPN-tURqQ

Email authentication partial

SPF
v=spf1 include:amazonses.com ip4:107.23.91.96 ip4:107.23.55.177 include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:re+fuyrgmmaym6@dmarc.postmarkapp.com;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01
from 2026-02-09 to 2027-03-11
Expires in 295 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://psiphon3.com/

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

Linked from (1)