Domain Intelligence Report

signal.org

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

6
DNS record types
85d
SSL cert remaining
75
Subdomains found
All 3
Email security signals
Generated 2026-07-12 08:30 UTC Refresh data
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Common uses: SSL expiry monitoring Subdomain change alerts CRM lead enrichment SPF/DMARC/DKIM audits Domain reputation scoring Attack surface mapping Bulk WHOIS lookup SaaS onboarding checks
curl "https://domain-intelligence-api.p.rapidapi.com/lookup/signal.org" \
  -H "X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com" \
  -H "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY"
import requests

url = "https://domain-intelligence-api.p.rapidapi.com/lookup/signal.org"
headers = {
    "X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
    "X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
}
r = requests.get(url, headers=headers, timeout=15)
data = r.json()
print(data["subdomains"]["count"], "subdomains found")
// Node 18+ has built-in fetch — no import needed
const res = await fetch(
  "https://domain-intelligence-api.p.rapidapi.com/lookup/signal.org",
  { headers: {
      "X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
      "X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
  }}
);
const data = await res.json();
console.log(data.dns.A, data.email_security.spf);
<?php
$ch = curl_init("https://domain-intelligence-api.p.rapidapi.com/lookup/signal.org");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com",
    "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY",
]);
$data = json_decode(curl_exec($ch), true);
curl_close($ch);
echo $data["subdomains"]["count"];
Free tier: 1,000 requests/month · no credit card · all endpoints included See all plans →
DNS

DNS Records

All record types resolved from authoritative DNS for signal.org.

A 2 records
  • 104.18.11.47
  • 104.18.10.47
AAAA 2 records
  • 2606:4700::6812:b2f
  • 2606:4700::6812:a2f
MX 5 records
  • 10 aspmx3.googlemail.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 1 aspmx.l.google.com.
  • 10 aspmx2.googlemail.com.
TXT 5 records
  • "atlassian-domain-verification=E0za3YlmgyiE3wck1TFwdW1j0dbRUDsSNh9VBjrOx4yMWdOdauAaLczjR2c/FFmr"
  • "google-site-verification=E9NOI9LjgLb5GEyCWbHTr8yumWFOdOuCtFkCeQ_GhVM"
  • "v=spf1 include:_spf.google.com ~all"
  • "MS=ms64370964"
  • "anthropic-domain-verification-w1sp3g=yHrFLemYCHqI7Xa0hqH80GBFR"
NS 2 records
  • casey.ns.cloudflare.com.
  • zita.ns.cloudflare.com.
SOA 1 record
  • casey.ns.cloudflare.com. dns.cloudflare.com. 2409206104 10000 2400 604800 1800
Registration

WHOIS / RDAP

Registration data for signal.org via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
MarkMonitor Inc.
Created
2001-04-15T10:33:19.39Z
Updated
2025-06-08T14:27:27.835Z
Expires
2028-04-15T10:33:19Z
Nameservers
casey.ns.cloudflare.comzita.ns.cloudflare.com
Status
client delete prohibitedserver delete prohibitedclient transfer prohibitedserver transfer prohibitedclient update prohibitedserver update prohibited
TLS

SSL Certificate

Live TLS handshake against signal.org. No third-party scanner.

ssl 85 days remaining
Issuer
CN=WE1,O=Google Trust Services,C=US
Subject
CN=signal.org
Valid from
2026-07-07T16:16:49+00:00
Valid to
2026-10-05T17:16:42+00:00
Serial
218329662242593469557597612263121804756
SANs (1)
signal.org
Reconnaissance

Subdomains discovered

Aggregated from 5 upstream sources in parallel — crt.sh, certspotter, hackertarget, rapiddns, and VirusTotal — plus an always-on DNS bruteforce across a curated 773-word wordlist with automatic wildcard filtering, and background enrichment aggregating 25+ passive sources for comprehensive coverage.

subdomains 50 live · 75 discovered
virustotal: 51 founddns-brute: 0 foundcertspotter: 23 foundsubfinder: 24 found
  • audit.kt.signal.org 100.28.109.184
  • audit.kt.staging.signal.org 34.194.89.116
  • build-artifacts.signal.org 104.18.10.47
  • cdn-ca.signal.org 3.162.112.16
  • cdn-staging.signal.org 18.160.10.129
  • cdn.signal.org 18.160.18.106
  • cdn2-staging.signal.org 104.18.10.47
  • cdn2.signal.org 104.18.10.47
  • cdn3-staging.signal.org 104.18.10.47
  • cdn3.signal.org 104.18.10.47
  • cdsi.reflector.signal.org 40.122.45.194
  • cdsi.signal.org 40.122.45.194
  • cdsi.staging.reflector.signal.org 104.43.162.137
  • cdsi.staging.signal.org 104.43.162.137
  • chat.reflector.signal.org 13.248.212.111
  • chat.signal.org 13.248.212.111
  • chat.staging.reflector.signal.org 13.248.206.115
  • chat.staging.signal.org 13.248.206.115
  • contentproxy.signal.org 107.178.250.75
  • donations.api.signal.org 50.19.112.184
  • donations.api.staging.signal.org 50.19.112.184
  • ech-chat.signal.org 104.18.2.22
  • ech-chat.staging.signal.org 104.18.12.158
  • internal.signal.org 192.178.218.121
  • mta-sts.signal.org 104.18.10.47
  • registration.signal.org 34.111.52.112
  • registration.staging.signal.org 34.160.133.95
  • science.signal.org 216.239.32.21
  • sfu.staging.test.voip.signal.org 34.111.51.2
  • sfu.staging.voip.signal.org 35.186.225.168
  • sfu.test.voip.signal.org 34.160.199.171
  • sfu.voip.signal.org 34.117.136.13
  • shop.signal.org 23.227.38.74
  • signal.org 104.18.10.47
  • status.signal.org 104.18.10.47
  • storage-manager.signal.org 104.18.10.47
  • storage-staging.signal.org 172.253.62.121
  • storage.signal.org 192.178.218.121
  • support.signal.org 216.198.53.6
  • svr2.reflector.signal.org 20.119.62.85
  • svr2.signal.org 20.9.45.98
  • svr2.staging.reflector.signal.org 20.127.86.118
  • svr2.staging.signal.org 20.127.86.118
  • svrb.reflector.signal.org 20.232.191.209
  • svrb.signal.org 20.232.191.209
  • svrb.staging.reflector.signal.org 172.178.57.240
  • updates.signal.org 104.18.2.166
  • updates2.signal.org 104.18.26.44
  • uptime.signal.org 127.0.0.1
  • www.signal.org 104.18.10.47

+ 25 more seen in CT logs / passive DNS (historical — may be inactive)

Email

Email Security Posture

SPF and DMARC presence and records for signal.org, plus DKIM keys auto-probed across 29 common selectors (Google Workspace, Microsoft 365, Mailchimp, SendGrid, Postmark and more).

SPF present
  • v=spf1 include:_spf.google.com ~all
DMARC present
  • v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@signal.org
DKIM 1 selector found
google._domainkey.signal.org
  • v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCSYE2OjxFNy7pTUDH5XhamaldIPMGDpzwcBmune21dOBmym7HFhkBiug/H4p6EamPgzcWkFeqoh6u6jWy00D/NOIKF/4lzlKqeqhHf8AggMWkYTPaDre80XyD6cCIG6Vy8j0w6wbpspfOTu3tJ7TX6gCEheq6EZF9xdo6qubZP1wIDAQAB

Probed common selectors (Google, Microsoft 365, Mailchimp, SendGrid, etc.). Custom or hash-based selectors aren't auto-discoverable.

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