flatirons.com

HTML metadata

Technology

CDN

Amazon CloudFront

Server

CloudFront

Registration

Registrar

Squarespace Domains II LLC

Created

1998-10-12

Expires

2031-10-11 1969 days left

Updated

2024-04-26

Name servers

• dns1.p04.nsone.net
• dns2.p04.nsone.net
• dns3.p04.nsone.net
• dns4.p04.nsone.net

DNS records live

NS

• dns1.p04.nsone.net
• dns2.p04.nsone.net
• dns3.p04.nsone.net
• dns4.p04.nsone.net

MX

• 1 aspmx.l.google.com
• 10 alt3.aspmx.l.google.com
• 10 alt4.aspmx.l.google.com
• 5 alt1.aspmx.l.google.com
• 5 alt2.aspmx.l.google.com

TXT

• fuel-verify=96575beb6ebb4a8a4e762a40c4f773d1

Verified for

• Google
• OpenAI

Email authentication strong

SPF

v=spf1 include:servers.mcsv.net include:47686896.spf04.hubspotemail.net include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; pct=100; rua=mailto:no-reply@flatirons.com; ruf=mailto:no-reply@flatirons.com

policy: quarantine

DKIM

Show 4 DKIM selectors

• google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxRFOMyQG6lkXFlkVGUe9z86u5Nbx8ebXbvXR0JXUZh0Buj0KKXhI92vNClnPsmoUI8L7SukuRsEZPS…
• k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
• s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzUeg+IAiurucWmXUoEbC9UCXdfGcJGf0vl/t+rh1DyxRNM3d1xsEZ3H2Vg+HfMbHPr4uixBVZ52q+SNeqt…
• s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnDIozpVFfeQnBqYEH8dMiV3wyd+9b1zUfOKa+tfmU2soz1ZGYnNI3TcPj2SxDQQ+sHnBcofQnEqhrbsklK…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (1)

• ericaforus.org×1