joinstring.com

.com crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 8735 ms crawled 2026-05-15

US · 16.146.142.104 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: String - Modern business texting and direct messaging for SMS marketing
Description: String is a cloud-based direct phone line and messaging solution that modernizes business SMS marketing, 1-to-1 conversations and mass texting.
Canonical: https://www.joinstring.com

Open Graph

url: https://www.joinstring.com
title: Modern business texting and direct messaging for SMS marketing
site name: String
description: String is a cloud-based direct phone line and messaging solution that modernizes business SMS marketing, 1-to-1 conversations and mass texting.

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (3)

code.jquery.com×1
www.canva.com×1
www.googletagmanager.com×1

Registration

Registrar

DomainSpot LLC

Created

2018-10-19

Expires

2026-10-19 153 days left

Updated

2025-10-06

Name servers

ns-1516.awsdns-61.org
ns-1760.awsdns-28.co.uk
ns-47.awsdns-05.com
ns-752.awsdns-30.net

DNS records live

NS

ns-1516.awsdns-61.org
ns-1760.awsdns-28.co.uk
ns-47.awsdns-05.com
ns-752.awsdns-30.net

MX

10 mx1.daemonmail.net
10 mx2.daemonmail.net

TXT

google-site-verification=AhyLv2VUApFDfwjD2XxlLI9EudM2aadGo1KmdgqFht4
stripe-verification=667d1df45f64b82fb37b2f37bd24de87ba45c6cc5f9be164411234465d4bc422

Email authentication partial

SPF: v=spf1 include:_spf.tierra.net include:mail.zendesk.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04

from 2025-12-26 to 2027-01-24

Expires in 250 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.joinstring.com/

present

strict-transport-security
content-security-policy-report-only
x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy

findings

short HSTS max-age
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin, strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=2592000
cross-origin-opener-policy: same-origin
content-security-policy-report-only: connect-src 'self' www.google.com analytics.google.com stats.g.doubleclick.net www.google-analytics.com adservice.google.com https://ekr.zdassets.com https://string.zendesk.com wss://api.smooch.io; default-src 'none'; font-src 'report-sample' 'self' https://fonts.gstatic.com; form-action 'report-sample' 'self'; frame-ancestors 'self'; frame-src 'self'; img-src 'report-sample' 'self' data: www.google.ca https://static.zdassets.com https://string.zendesk.com; report-to default; report-uri https://www.tierra.net/special/report/csp; script-src 'report-sample' 'self' 'unsafe-inline' 'unsafe-eval' https://api.smooch.io https://code.jquery.com https://static.zdassets.com https://www.clearhello.com https://www.google-analytics.com https://www.googletagmanager.com; style-src 'report-sample' 'self' 'unsafe-inline' https://fonts.googleapis.com