silentcircle.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 3141 ms crawled 2026-05-19

US · 3.164.68.32 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

sector tech type homepage

HTML metadata

Title: Secure Enterprise Communication Solutions | Silent Circle
Description: Silent Circle is the world leader in secure communications, offering enterprise communications solutions to businesses, NGOs, and governments worldwide. Silent Circle is the maker of Silent Phone, a premium end-to-end secure calling, messaging, file transfer, video, and conferencing application.
Language: en
Canonical: https://www.silentcircle.com/

Open Graph

url: https://www.silentcircle.com/
title: Secure Enterprise Communication Solutions | Silent Circle
locale: en_US
site name: Silent Circle
description: Silent Circle is the world leader in secure communications, offering enterprise communications solutions to businesses, NGOs, and governments worldwide. Silent Circle is the maker of Silent Phone, a premium end-to-end secure calling, messaging, file transfer, video, and conferencing application.

Technology

CDN: Amazon CloudFront

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×1
www.googletagmanager.com×1

Registration

Registrar

Gandi SAS

Created

2003-01-04

Expires

2035-01-04 3151 days left

Updated

2025-12-18

Name servers

ns-1052.awsdns-03.org
ns-1835.awsdns-37.co.uk
ns-400.awsdns-50.com
ns-640.awsdns-16.net

DNS records live

NS

ns-1052.awsdns-03.org
ns-1835.awsdns-37.co.uk
ns-400.awsdns-50.com
ns-640.awsdns-16.net

MX

0 silentcircle-com.mail.protection.outlook.com

TXT

google-site-verification=IuSkUZ7KybSzmkLlgUbQ5UYlx53b13PIqdxztSqyo5Q
6804-5A23-DB3B-0201-6B57-086F-6B3E-17EA
anthropic-domain-verification-tyxacn=2rwql0ZMfnvCWGaUbJSzoRtNB

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:amazonses.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDcZBWuQ2Ym9wxb7v3jBawUMfpngSOVPsNPVxboMYkP2RAhpnB8u26I9z+w/Q7YVMQ8m3riureaN394bNMhwi…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

Amazon RSA 2048 M04

from 2025-11-19 to 2026-12-18

Expires in 212 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (11)

Linked from (1)

stochastic.io×3