korucalculator.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 200 47 ms crawled 2026-05-31

US · 3.164.68.18 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: KORU Freedom Flow Rate Calculator
Language: en

Technology

CDN: Amazon CloudFront
Server: AmazonS3
CMS: Gatsby

Registration

Registrar

GoDaddy.com, LLC

Created

2019-08-23

Expires

2026-08-23 80 days left

Updated

2024-08-24

Name servers

ns-1521.awsdns-62.org
ns-1559.awsdns-02.co.uk
ns-299.awsdns-37.com
ns-802.awsdns-36.net

DNS records live

NS

ns-1521.awsdns-62.org
ns-1559.awsdns-02.co.uk
ns-299.awsdns-37.com
ns-802.awsdns-36.net

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01

from 2026-04-13 to 2026-10-28

Expires in 146 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (1)

korumedical.com×1