naturalstoneinstitute.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-18 · ok HTTP/1.1 200 1866 ms crawled 2026-05-07

US · 74.209.225.133 · AS22903 Databank Holdings, Ltd

Reputation 100/100

Classifying

HTML metadata

Title: Natural Stone Institute - Stone Industry Resources From The Leading Association Natural Stone Institute
Description: Formerly Marble Institute of America and Building Stone Institute. Find resources, education, standards, and technical specifications for the stone industry.
Generator: Mura CMS 6.2

Open Graph

url: https://www.naturalstoneinstitute.org/
title: Stone Industry Resources From The Leading Association Natural Stone Institute
site name: Natural Stone Institute
description: Formerly Marble Institute of America and Building Stone Institute. Find resources, education, standards, and technical specifications for the stone industry.

Technology

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Third-party hosts loaded (6)

www.googletagmanager.com×3
fonts.googleapis.com×2
ajax.googleapis.com×1
googleads.g.doubleclick.net×1
use.typekit.net×1
www.googleadservices.com×1

Social

Registration

Registrar

GoDaddy.com, LLC

Created

2014-07-11

Expires

2026-07-11 51 days left

Updated

2024-07-05

Name servers

ns45.domaincontrol.com
ns46.domaincontrol.com

DNS records live

NS

ns45.domaincontrol.com
ns46.domaincontrol.com

MX

10 mx1-us1.ppe-hosted.com
20 mx2-us1.ppe-hosted.com

TXT

Show 6 TXT records

ppe-30d9be6aee4b4d35930b0036009c7b2030b4382a
2p21dehqn87kgshsptose5bq9u
ppe-d34364624500bc4d68a5cf988909e27a46738373
6mkthi3nhf5anbkp8h3qqtrfv6
mqdnut3nnv9jra4u5qafvq570e
m5ho2sq9umgjulrnlk5sjo3b6i

Verified for

Google
Zoho

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.com include:tcssoftwareSPF.smtp.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; aspf=s; adkim=s; rua=mailto:dmarcreports@calyxit.com,mailto:admin@naturalstoneinstitute.org; fo=1;

policy: quarantine

DKIM

Show 4 DKIM selectors

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDWqNMCCkhPYo9KCBNEf+YNZqlsKFEl05hqtdnPJPXcoBn4I3vdhLpkmZguTR/MmxLBMs6+a2OjoVJ+biL2Ke…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsMnIRfjSBQ0icESA6Mz3j1D0yGrOSuQheavjdc/SNYS5C3b9twViJutMBiQNZTNxc/XCFX2e7ikF9yAfCV4…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2025-11-07 to 2026-11-07

Expires in 171 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.naturalstoneinstitute.org/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff