indexo.dev

optimumseismic.com

.com crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP/1.1 200 5678 ms crawled 2026-05-27

US · 68.66.239.232 · AS55293 A2 Hosting, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Optimum Seismic: Seismic Retrofit Experts for Earthquake-Prone Buildings
Description
Optimum Seismic is the industry leader in seismic and earthquake retrofit contracting. We serve the seismic design and engineered retrofitting needs of the commercial, multi-family, and custom residential real estate markets.
Language
en-US
Generator
WordPress 6.9.4
Canonical
https://www.optimumseismic.com/
Feeds

Open Graph

url
https://www.optimumseismic.com/
title
Optimum Seismic | Seismic Retrofit Engineering & Earthquake Retrofit Experts
locale
en_US
site name
Optimum Seismic
description
Optimum Seismic is the industry leader in seismic and earthquake retrofit contracting. We serve the seismic design and engineered retrofitting needs of the commercial, multi-family, and custom residential real estate markets.

Technology

Server
LiteSpeed
CMS
WordPress 6.9.4
PHP
8.3.31 security-only
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.gstatic.com×5
  • www.googletagmanager.com×2
  • assets.adobedtm.com×1

Social

Contact

Email
Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2014-08-20
Expires
2027-08-20 445 days left
Updated
2025-08-21
Name servers
  • ns1.a2hosting.com
  • ns2.a2hosting.com
  • ns3.a2hosting.com
  • ns4.a2hosting.com

DNS records live

NS
  • ns1.a2hosting.com
  • ns2.a2hosting.com
  • ns3.a2hosting.com
  • ns4.a2hosting.com
MX
  • 0 optimumseismic-com.mail.protection.outlook.com
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 ip4:68.66.226.75 include:spf.a2hosting.com include:_spf.google.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-reports@optimumseismic.com; ruf=mailto:dmarc-failures@optimumseismic.com; fo=1
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8IrGks0DJHVLTFE1gnanuDERnpCwzdg07JucGI/h00a8/lpChglK8VksL/nLbbGs/mT6NpLvFsz5Yp…
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnSrin0m/4ZKd1BY2A0acXdPs7nCi13cRsa43AJuvhZNz4QPA5dvisW32f84kWag91DvZop5HcmoFZ3icRTl…
selectors probed

Certificate (current)

R12
from 2026-05-15 to 2026-08-13
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.optimumseismic.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • 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=63072000; includeSubDomains

Links to (28)

Linked from (2)