slso.org

.org crawl

First seen 2026-04-23 · Last seen 2026-05-16 · ok HTTP/1.1 200 6711 ms crawled 2026-05-16

US · 44.216.221.18 · AS14618 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

St. Louis Symphony Orchestra - Welcome to the SLSO

Description

Enjoy a season of exhilarating music by your St. Louis Symphony Orchestra at the grand reopening of Powell Hall. Explore the SLSO schedule!

Language

en-US

Canonical

https://slso.org/

Feeds

Open Graph

url: https://slso.org/
title: St. Louis Symphony Orchestra - Welcome to the SLSO
locale: en_US
site name: St. Louis Symphony Orchestra
description: Enjoy a season of exhilarating music by your St. Louis Symphony Orchestra at the grand reopening of Powell Hall. Explore the SLSO schedule!

Technology

Server: nginx
CMS: WordPress

Analytics

Google Tag Manager

Third-party hosts loaded (3)

www.youtube.com×2
www.facebook.com×1
www.googletagmanager.com×1

Social

Contact

Email

Phone

Address

St. Louis Symphony Orchestra718 N. Grand Blvd.St. Louis, MO 63103

Registration

Registrar

Network Solutions, LLC

Created

1997-11-21

Expires

2029-11-20 1280 days left

Updated

2024-10-15

Name servers

ns3-06.azure-dns.org
ns1-06.azure-dns.com
ns2-06.azure-dns.net

DNS records live

NS

ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info

MX

10 slso-org.mail.protection.outlook.com

TXT

vqsmusmo91ktfstiud07esp7o6
uessv5f205judqvjdl5pn8e3ui

Email authentication strong

SPF

v=spf1 include:emsd1.com include:spf.protection.outlook.com ip4:198.173.173.248 ip4:71.86.11.221 ip4:71.86.11.220 ip4:66.209.212.104 ip4:162.230.1.246 ip4:12.157.205.164 include:spf.mandrillapp.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; sp=none; rua=mailto:rua@godmarc.io,mailto:bobolimpio@slso.org; ruf=mailto:ruf@godmarc.io,mailto:bobolimpio@slso.org; adkim=r; aspf=r; fo=0; pct=100; rf=afrf;

policy: reject (enforced) · sp=none

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnIpupDJ3qH9v3M/fRZyBGILf62v8SSn5eF5QE9sXq5X9w8DrdBCQ1v3M0JyFjUxwb9MplVSA9JSjjI…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyTxKEqGIz8iFa8x7+jkZ/46gaiWDiYOSgEEKRO+SzQeX/s91EktDhAYwbZawgU/aIQMse2AYIJNhiH…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

R12

from 2026-04-09 to 2026-07-08

Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://slso.org/

findings

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