indexo.dev

thegrandoperahouse.com

.com crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 6602 ms crawled 2026-05-17

US · 52.14.63.93 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
The Grand Opera House
Language
en-GB
Generator
WordPress 6.9.4
Canonical
https://thegrandoperahouse.com/
Feeds

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
  • Font Awesome

Third-party hosts loaded (6)

  • cdnjs.cloudflare.com×4
  • webcomponents.spektrix.com×2
  • gmpg.org×1
  • use.fontawesome.com×1
  • use.typekit.net×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone
Address
st NameLast NameEmailSign upThe Grand Opera House135 8th StreetDubuque, IA 52001

Registration

Registrar
IONOS SE
Created
1999-06-01
Expires
2027-06-01 376 days left
Updated
2026-05-02
Name servers
  • colin.ns.cloudflare.com
  • miki.ns.cloudflare.com

DNS records live

NS
  • colin.ns.cloudflare.com
  • miki.ns.cloudflare.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 30 alt2.aspmx.l.google.com
  • 40 aspmx2.googlemail.com
  • 50 aspmx3.googlemail.com
Verified for
  • Meta

Email authentication weak

SPF
v=spf1 +a +mx +ip4:141.193.213.20 ip4:141.193.213.21 ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-16 to 2026-08-14
Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (2)