caltopo.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-17 · ok HTTP/1.1 200 1478 ms crawled 2026-05-04

US · 13.52.89.204 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Map the Backcountry with CalTopo
Description: Map your world with CalTopo. Backcountry or your backyard; research, plan, share, and take maps with you on your mobile device. View real time data, choose layers that suit your needs, print maps, record tracks and more.
Canonical: https://caltopo.com/about/

Open Graph

url: https://caltopo.com/about/
title: Map the Backcountry with CalTopo
description: Map your world with CalTopo. Backcountry or your backyard; research, plan, share, and take maps with you on your mobile device. View real time data, choose layers that suit your needs, print maps, record tracks and more.

Technology

CMS: Gatsby

Fonts

Google Fonts

Third-party hosts loaded (5)

s3-us-west-1.amazonaws.com×12
fonts.googleapis.com×2
fonts.gstatic.com×1
play.google.com×1
unpkg.com×1

Social

Registration

Registrar

Name.com, Inc.

Created

2011-09-22

Expires

2029-05-01 1077 days left

Updated

2026-02-11

Name servers

ns-1409.awsdns-48.org
ns-1865.awsdns-41.co.uk
ns-232.awsdns-29.com
ns-590.awsdns-09.net

DNS records live

NS

ns-1409.awsdns-48.org
ns-1865.awsdns-41.co.uk
ns-232.awsdns-29.com
ns-590.awsdns-09.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

Show 8 TXT records

6gv4wpk79sw8mb32wwn3zp7gzc2gtx7v
806d4d9fc5ef419d906cd09accbf3504
_dnsauth.caltopo.com= xg88d39r59tqf858dh6t7fqr58zlsg22
google-site-verification=HcRec7T3ZQyeyvyNr69tCqHQa4TZAaQqUskWxMVo47c
google-site-verification=lJUKV6B84pFWD9zHDXP7oj22TSgBZqW8LgbNB4hUDEk
stripe-verification=aece28146379b2794b0b8894153cc05fd45210b4d246ee7718a7851187b8a3bb
twilio-domain-verification=9bb633ec016734e042271f74c4883b9a
v=spf1 include:_spf.mlsend.com include:_spf.google.com include:servers.mcsv.net include:_spf.wpcloud.com include:amazonses.com include:mail.zendesk.com include:_spf.mailersend.net ip4:23.235.226.96/27 ip4:192.228.96.0/27 ~all

Certificate (current)

Amazon RSA 2048 M02

from 2025-08-09 to 2026-09-08

Expires in 111 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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