Reports / circleci.com
circleci.com
We found 101 subdomains of circleci.com in certificate transparency logs, passive DNS and DNS brute force, including api.circleci.com, app.circleci.com and auth.circleci.com. circleci.com is registered with Amazon Registrar, Inc. since 2011-09-01 and expires 2027-09-01. Its SSL certificate from Amazon expires in 124 days. For email it has an SPF record, DMARC set to reject and DKIM keys on 4 common selectors.
- Registration
- Amazon Registrar, Inc.Since 2011-09-01 · expires 2027-09-01
- SSL certificate
- 124 days leftAmazon
- Subdomains
- 101 foundChecking which are live…
- Email authentication
- SPF, DMARC, DKIMDMARC policy: reject
DNS records
5 of 7 types| A4 |
|
| AAAA | No AAAA records |
| MX2 |
|
| TXT32 |
Show all 32
|
| NS4 |
|
| CAA | No CAA records |
| SOA1 |
|
Live lookup, cached up to 5 min.
WHOIS / RDAP
via rdap.org- Registrar
- Amazon Registrar, Inc.
- Registered
- 2011-09-01
- Expires
- 2027-09-01
- Last updated
- 2026-07-28
- Registry handle
- 1674819344_DOMAIN_COM-VRSN
- Nameservers
- ns-1065.awsdns-05.orgns-1572.awsdns-04.co.ukns-225.awsdns-28.comns-837.awsdns-40.net
- Status
- client transfer prohibited
RDAP with port-43 WHOIS fallback, cached up to 1 h.
SSL certificate
Valid, 124 days left- Issuer
- AmazonCN=Amazon RSA 2048 M04,O=Amazon,C=US
- Subject
- circleci.com
- Valid from
- 2026-01-06 00:00 UTC
- Valid until
- 2027-02-04 23:59 UTC
- Serial number
- 20821735605480389073001526432650773964
- Names covered (5)
- circleci.comcanary.circleci.comexperiment.circleci.combadges.circleci.comemail.circleci.com
Live TLS handshake on port 443, cached up to 6 h.
Subdomains
101 foundSlow sources are still finishing. This list updates by itself.
- academy.circleci.com
- annualmembers.circleci.com
- api-canary.circleci.com
- api-experiment.circleci.com
- api.circleci.com
- app-canary.circleci.com
- app-experiment.circleci.com
- app.circleci.com
- assets-app.circleci.com
- assets-developer-hub-orbs.circleci.com
- assets-developer.circleci.com
- assets-docs.circleci.com
- assets-email-templates.circleci.com
- assets-gameday.circleci.com
- assets-growth-common.circleci.com
- assets-home.circleci.com
- assets-launchpad.circleci.com
- assets-releases.circleci.com
- assets-runners.circleci.com
- auth.circleci.com
- backplane-docs.circleci.com
- backplane-go-docs.circleci.com
- badges.circleci.com
- bff-canary.circleci.com
- bff-experiment.circleci.com
- bff.circleci.com
- billing-webhooks.circleci.com
- binaries.circleci.com
- blog.circleci.com
- brand.circleci.com
- canary.circleci.com
- cdn-assets.circleci.com
- cheese-experiment.circleci.com
- cli.circleci.com
- compass.circleci.com
- continuouslabs.circleci.com
- customer.circleci.com
- devcards.circleci.com
- developer.circleci.com
- discuss.circleci.com
- dl.circleci.com
- docs-experimental.circleci.com
- docs.circleci.com
- em.circleci.com
- email.circleci.com
- enterpriseenrollment.circleci.com
- enterpriseregistration.circleci.com
- event-blower.circleci.com
- example.circleci.com
- experiment.circleci.com
- functions.circleci.com
- gateway-test.circleci.com
- ghe-dev-azure.circleci.com
- goto.circleci.com
- hooks.circleci.com
- ideas.circleci.com
- infracost.circleci.com
- inner.circleci.com
- internal-canary.circleci.com
- internal-experiment.circleci.com
- internal.circleci.com
- internal.status.circleci.com
- jump.circleci.com
- labs.circleci.com
- learning.circleci.com
- loop.circleci.com
- mcp.circleci.com
- oidc.circleci.com
- op-scim-test.circleci.com
- op-scim.circleci.com
- packages.circleci.com
- page.circleci.com
- pal.circleci.com
- partner.circleci.com
- partners.circleci.com
- privacy.circleci.com
- registry.circleci.com
- replicated-demo.circleci.com
- runner-canary.circleci.com
- runner.circleci.com
- salt-master.circleci.com
- shares.circleci.com
- ssh-tunnel.circleci.com
- ssh.circleci.com
- static-preview.circleci.com
- status.circleci.com
- sup.circleci.com
- supplychain-health.circleci.com
- supplychain.circleci.com
- support.circleci.com
- test-gitlab.circleci.com
- testripple.circleci.com
- testsupport.circleci.com
- tlstest.circleci.com
- tools.circleci.com
- trust.circleci.com
- ui-dashboard.circleci.com
- webhooks-experiment.circleci.com
- webhooks.circleci.com
- www-test.circleci.com
- www2.circleci.com
No subdomains found.
0 more seen in CT logs and passive DNS that don't resolve now
Shared infrastructure, collapsed:
Sources: rapiddns 27 · dns-brute 6
From CT logs, passive DNS (25+ sources) and brute-force. Live means it resolves now.
Email security
SPF Present
v=spf1 include:spf.circleci.com ~all
DMARC Present
p=reject
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
DKIM 4 found
google._domainkeyk1._domainkeyintercom._domainkeym1._domainkey
Show public keys
google._domainkey.circleci.com
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCZWqV56mXLiuad23IAPwyS4Phn4/yIH/x9AhKSFwByZyD+PWZ9jom+GjsPsgdHa7X4B0tBFK3KUfc2vWJZuPv28Nev3dmLNpMk5vWLjsc2Xyt+lozOFJNWZ5r1N7FecHK8Ki91T/++pS2ogCBfOgvnGr2LbhvS54Yz6pekZwjsqwIDAQAB
k1._domainkey.circleci.com
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;
intercom._domainkey.circleci.com
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaXUwpNj9p5Ph7+9ooGpwQjENhG4WPDi6UUt6unnsliztz/kxXrzaf4Fhlv8f+H9r3sDMz5ugtME+wxZgb/TM5IgH05iglwJLCqndU9pgaJ2j7pUU0PXd11U8YPnb9tHO/wGRJgUlL6CINhjJmw9nHRpGxbxy51e8R3qzlkuCvKQIDAQAB
m1._domainkey.circleci.com
v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDRyEMwcUT33AR9Q1wP/ryEUKD5ufBeoLyd0c2xXkJDPVLNpVI53l17d/9XLRkgNcQiJDKrOpjdAvK6qVH4lk/6nI0tYfGnVushQdxOlfXO3rtuW0UrBQYzuAi89GGyxFuh1v7Vj2isJkCHyulN557hhDkLEoL1bU02Y8i1DlXEqwIDAQAB
DKIM checked on 29 common selectors; custom ones can't be discovered. Cached up to 1 h.
Get this report as JSON
One call returns everything on this page. Each section is also its own endpoint.
curl "https://domain-intelligence-api.p.rapidapi.com/lookup/circleci.com" \
-H "X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com" \
-H "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY"
import requests
r = requests.get(
"https://domain-intelligence-api.p.rapidapi.com/lookup/circleci.com",
headers={
"X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
"X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
},
timeout=30,
)
print(r.json())
// Node 18+ (built-in fetch)
const res = await fetch(
"https://domain-intelligence-api.p.rapidapi.com/lookup/circleci.com",
{ headers: {
"X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
"X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
} }
);
console.log(await res.json());
<?php
$ch = curl_init("https://domain-intelligence-api.p.rapidapi.com/lookup/circleci.com");
curl_setopt($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);
print_r($data);
1,000 requests a month free, no card
Paid plans up to 5M a month
?wait=1 waits for every subdomain source to finish