cleantechopen.org

HTML metadata

Title

Cleantech Open National

Language

en

Canonical

https://www.cleantechopen.org/

Translations

• en

Open Graph

url

https://www.cleantechopen.org/

title

Cleantech Open National

site name

Cleantech Open National

Technology

CDN

Amazon CloudFront

Server

skipsolabs

Analytics

• Google Tag Manager

Third-party hosts loaded (2)

• s3.amazonaws.com×5
• www.googletagmanager.com×2

Social

• bluesky
• twitter

Contact

Email

• contact@cleantechopen.orgpowered

Phone

• 650 681 9889

Registration

Registrar

GoDaddy.com, LLC

Created

2008-05-09

Expires

2027-05-09 355 days left

Updated

2026-03-13

Name servers

• ns39.domaincontrol.com
• ns40.domaincontrol.com

DNS records live

NS

• ns39.domaincontrol.com
• ns40.domaincontrol.com

MX

• 10 aspmx.l.google.com
• 20 alt1.aspmx.l.google.com
• 30 alt2.aspmx.l.google.com
• 40 aspmx2.googlemail.com
• 50 aspmx3.googlemail.com

TXT

• google-site-verification=Z6a0oP59PUyj7EM-bsFpdpZxq-7-0LKHJAr1OWJx-fo

Email authentication partial

SPF

v=spf1 mx include:aspmx.googlemail.com include:_spf.google.com ip4:69.167.150.87 ip4:69.167.150.88 ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

• k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.cleantechopen.org/

present

• strict-transport-security
• x-frame-options
• x-content-type-options
• referrer-policy

findings

• missing Content Security Policy
• missing Permissions Policy

Links to (5)

• bsky.app×2
• ctofrance.com×2
• eepurl.com×2
• skipsolabs.com×2
• twitter.com×2

Linked from (4)

• thecarbonalmanac.org×2
• controlgen.com×2
• innoventurelabs.org×1
• juliusedu.com×1