openletter.earth

https://openletter.earth· First analyzed 13 May 2026· Updated 13 May 2026

This site uses bot protection

The website blocked automated page access (e.g. Cloudflare Turnstile). Only DNS-based modules could be analyzed — hosting, SSL, email infrastructure, and domain info are shown below. Technology stack, SEO, and other page-content modules are unavailable for this site.

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.21.58.138

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

CDN

Cloudflare

WAF

Cloudflare

Nameservers

uma.ns.cloudflare.com.jake.ns.cloudflare.com.

Security Score

71%Good

HTTPS

No WAF

67d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

Valid From

21.04.2026

Valid Until

20.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

openletter.earth*.openletter.earth

SHA-256 Fingerprint

F8:BE:A8:11:C0:E7:51:36:F8:EA:23:DD:C1:E3:14:B8:D2:FC:01:8F...

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Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

openletter.earth

Domain Age

6y 1m

Created

27.03.2020

Expires

27.03.2027

Last Updated

26.04.2026

Registrar

Name.com, Inc.

DNSSEC

Not Enabled

Website Identity

openletter.earth

6 years old

Location detected: 🇨🇦 Canadavia ip

Name.com, Inc.