cso.org

.org crawl

First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 9921 ms crawled 2026-05-16

US · 52.162.107.9 · AS8075 Microsoft Corporation

Reputation 100/100

Classifying

HTML metadata

Title: Chicago Symphony Orchestra
Description: Official website: In collaboration with the best conductors and guest artists on the international music scene, the Chicago Symphony Orchestra performs well over one hundred concerts each year at its downtown home, Symphony Center and at the Ravinia Festival on Chicago’s North Shore.
Language: en-us
Canonical: https://cso.org/

Open Graph

url: https://cso.org/
title: Chicago Symphony Orchestra
site name: Experience the Chicago Symphony Orchestra
description: Official website: In collaboration with the best conductors and guest artists on the international music scene, the Chicago Symphony Orchestra performs well over one hundred concerts each year at its downtown home, Symphony Center and at the Ravinia Festival on Chicago’s North Shore.

Technology

Analytics

Google Tag Manager

Ads

Meta Pixel

Fonts

Adobe Fonts

Social widgets

Twitter Widget

Third-party hosts loaded (7)

cdnjs.cloudflare.com×4
use.typekit.net×3
app.five9.com×1
connect.facebook.net×1
platform.twitter.com×1
www.googletagmanager.com×1
www.instagram.com×1

Social

Contact

Phone

312-294-3000

Registration

Registrar

Network Solutions, LLC

Created

1996-02-05

Expires

2031-02-06 1724 days left

Updated

2025-12-13

Name servers

ns0.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com

DNS records live

NS

ns0.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com

MX

5 cso-org.mail.protection.outlook.com

TXT

Show 9 TXT records

6mrbsjhjguptilk4c2lrtalvjt
PocKVaTF4H9fJkjaaElbQZRUkrXgZRqNP5DnhUUDDey5IHEdHtx4MIuaPpoUNjw3r5tBUv0QsbSMwuR3kZmRWQ==
38adc58e-fbcf-4fc5-bf8e-1070a4e15403
facebook-domain-verification=skitivf2r1kzg8wsk8dsobgde6iquf
facebook-domain-verification=1eddlmjdxbmx3gyxf0ml8djja5ivs7
dropbox-domain-verification=v2tr9lt3m5rg
apple-domain-verification=fUq8yNSpucqRJh5ovOGg5-X2oa0N_RkpWOVvNDO4u50
MS=ms51585516
google-site-verification=zvSJIn-ZvCkqImWNUJ34iWn29-mBQ3eS_do6fFosaew

Email authentication strong

SPF

v=spf1 mx include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net ip4:52.124.61.212 ip4:166.90.77.125 ip4:38.130.85.25 ip4:159.183.75.248 ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; pct=100

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgH5ycbv9m4CGPmMwVEVGZfPofsjbsGncjgIGfdqhAW3uMflIsSs4OnAamONlZAcJcT7e/o5S0EwMn9in/kQ…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsizfE5TPzIdLpNQMOkL5HaxQ+JM5n+j0p9iCCIUkuOlJLUPhRrUwBQOnhpFUOHCN4IhKHWWBxinFqy+aun…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsttxgXsm2A6H06fekZOO+uxV+ZPE/uh/IVIDGv3JHhTG3AwBOKSLGSEynR3j2nSyaeLr34NS+3iei8bjRs…

selectors probed

Certificate (current)

GeoTrust TLS RSA CA G1

from 2026-02-06 to 2026-08-07

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://cso.org/

present

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

findings

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

Header values

x-frame-options: sameorigin
x-content-type-options: nosniff
strict-transport-security: max-age=10886400