getguesstimate.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-17 · ok HTTP/1.1 200 646 ms crawled 2026-05-06

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Guesstimate
Description: Plan finances, make strategic decisions, and do risk assessment. Guesstimate uses stochastic models, Monte Carlo simulations, and sensitivity analyses.

Open Graph

title: Guesstimate | A Spreadsheet for the Uncertain
description: Plan finances, make strategic decisions, and do risk assessment. Guesstimate uses stochastic models, Monte Carlo simulations, and sensitivity analyses.

Technology

CDN: Vercel
CMS: Next.js

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×1

Registration

Registrar

Name.com, Inc.

Created

2015-03-12

Expires

2027-03-12 296 days left

Updated

2026-02-18

Name servers

ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

DNS records live

NS

ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

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

Email authentication partial

SPF

not published

DMARC

not published

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuBn81YQIVLFeUrSonGLL7lz7UKGTt9O/cVVffknG1Jq1Zl7tVtitlCGqy/QwRxAKZAPmLEZ8C5YSouZqC6…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8WQ8q7HhcmfB0G25lZwtlYx4S2gm3y0/bD4Jaue6lIZ/3IQF8nFY3dg9GpC3Ucx0rhDHcsDN3eS2YxVz6SipLPQ…

selectors probed

Certificate (current)

R12

from 2026-03-30 to 2026-06-28

Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.getguesstimate.com/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=63072000