Link Check results for www.postmastertool.com

No Security Risks Detected

This domain appears to be safe and secure

100%

Score

Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.

Scan Information

Last checked:March 23, 2026 19:21:38

Target URL:https://postmastertool.com/

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Page Information

Target URL

https://postmastertool.com/

Page Title

Postmaster Toolkit

Site Favicon

Status

Active

Host Information

Domain

www.postmastertool.com

Server

N/A

Country

United States

IP Address

18.239.199.21

ASN Information

16509

AMAZON-02

Technologies

Node.js

Programming languages

React

JavaScript frameworks

Amazon Web Services

PaaS

Next.js

JavaScript frameworks

Google Tag Manager

Tag managers

Google Analytics

Analytics

+4 more technologies detected

SSL Certificate

HTTPS Enabled

Secure

Certificate Issuer

N/A

Valid From

2026-03-22 19:21:42

Valid Until

2027-03-23 19:21:42

Subject Name

www.postmastertool.com

Performance Statistics

Total Requests

Domains

IP Addresses

704.21 KB

Transfer Size

Content Size2.23 MB

HTTP Headers

Age

26267

Alt-Svc

h3=":443"; ma=86400

Cache-Control

s-maxage=31536000

Connection

keep-alive

Content-Encoding

gzip

Content-Type

text/html; charset=utf-8

Date

Mon, 23 Mar 2026 12:03:56 GMT

ETag

"56c72s13g4vzg"

Transfer-Encoding

chunked

Vary

Accept-Encoding

Via

1.1 1a53d0d7ec09dc11c613f42caaefc674.cloudfront.net (CloudFront)

X-Amz-Cf-Id

OjcubZKSi83k3A9QxjYdRgI0-udwZu4MvoJm8YQey6Ge40N3yodN3Q==

X-Amz-Cf-Pop

SFO53-P3

X-Cache

Hit from cloudfront

x-nextjs-cache

HIT

x-nextjs-prerender

1 1

x-nextjs-stale-time

300

x-powered-by

Next.js

18 headers detected

Technology Stack Analysis

Node.js

Programming languages

Node.js is an open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside a web browser.

React

JavaScript frameworks

React is an open-source JavaScript library for building user interfaces or UI components.

Amazon Web Services

PaaS

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

Next.js

JavaScript frameworksWeb frameworks

Next.js is a React framework for developing single page Javascript applications.

Google Tag Manager

Tag managers

Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.

Google Analytics

Analytics

Google Analytics is a free web analytics service that tracks and reports website traffic.

Cookiebot

Cookie compliance

Cookiebot is a cloud-driven solution that automatically controls cookies and trackers, enabling full GDPR/ePrivacy and CCPA compliance for websites.

Amazon CloudFront

CDN

Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.

Webpack

Miscellaneous

Webpack is an open-source JavaScript module bundler.

HTTP/3

Miscellaneous

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

Website Cookies 2

_ga

.postmastertool.com

Value

GA1.1.1835082409.1774293704

Expires:4/27/2027

_ga_TV1MVDQRTG

.postmastertool.com