smithsonianassociates.org

.org crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1368 ms crawled 2026-05-30

US · 160.111.251.34 · AS25829 Smithsonian Institution

Reputation 100/100

Classifying

HTML metadata

Title: Smithsonian Associates - Entertaining. Informative. Eclectic. Insightful.
Description: Smithsonian Associates has been educating and entertaining audiences for more than 60 Years.
Language: en
Canonical: https://smithsonianassociates.org/ticketing/

Technology

Stack: ASP.NET

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (10)

cdn.datatables.net×2
fonts.googleapis.com×2
a.optmnstr.com×1
cdn.jsdelivr.net×1
cdnjs.cloudflare.com×1
fonts.gstatic.com×1
js.adsrvr.org×1
kit.fontawesome.com×1
www.facebook.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

a1-88.akam.net
a11-67.akam.net
a24-67.akam.net
a26-66.akam.net
a28-65.akam.net
a9-64.akam.net

MX

0 smithsonianassociates-org.mail.protection.outlook.com

Verified for

Google
Microsoft 365

Email authentication strong

SPF

v=spf1 ip4:52.124.61.0/24 ip4:160.111.0.0/16 ip4:67.231.156.100 ip4:67.231.148.101 include:spf1.si.edu include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; fo=1; rua=mailto:5e661d18@mxtoolbox.dmarc-report.com,mailto:dmarc@si.edu,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:5e661d18@forensics.dmarc-report.com,mailto:dmarc@si.edu; adkim=r; aspf=r; pct=100;

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCr8wswT0vgtalHDZTfWKMLMfOkCoEPLIrwtmeJgJrOVPOD8aIjvUhvR6UiX4V5Vi9nyuRg2VgD1MBJtDQZiL…

selectors probed

Certificate (current)

InCommon RSA OV SSL CA 3

from 2026-05-08 to 2026-11-23

Expires in 174 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://smithsonianassociates.org/ticketing/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self'
strict-transport-security: max-age=31536000