opto.com

.com crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP/1.1 200 1366 ms crawled 2026-05-30

CA · 16.52.24.249 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

OSI Group | Optometric Services Inc.

Description

Join Canada's top network of independent optometrists! Exclusive benefits, discounts, and services as an OSI Group Member. Together we are stronger!

Language

Translations

Open Graph

site name: Opto.com

Technology

Server: Apache
PHP: 8.4.8
jQuery: 3.7.1
Stack: PHP

Social

Contact

Email

Phone

1-800 363-4096

Registration

Registrar

GoDaddy.com, LLC

Created

1996-01-16

Expires

2029-01-17 961 days left

Updated

2024-01-18

Name servers

ns-1154.awsdns-16.org
ns-1860.awsdns-40.co.uk
ns-676.awsdns-20.net
ns-75.awsdns-09.com

DNS records live

NS

ns-1154.awsdns-16.org
ns-1860.awsdns-40.co.uk
ns-676.awsdns-20.net
ns-75.awsdns-09.com

MX

10 mx-cluster-ca01.hornetsecurity.com
20 mx-cluster-ca02.hornetsecurity.com
30 mx-cluster-ca03.hornetsecurity.com
40 mx-cluster-ca-fallback.hornetsecurity.com

TXT

logmein-verification-code=d4763086-c443-40f1-98fe-1bcf38dc0a2b
support=20bb0c395a6720dfca0672317bbcd40a
adserver=cd850cc374d72b41b9d1192fe5cb6407

Verified for

Anthropic
Google

Email authentication strong

SPF

v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:spf.dialoginsight.com ip4:68.67.52.246 include:mail.zendesk.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc_report@opto.com; ruf=mailto:dmarc_report@opto.com; fo=1

policy: quarantine

DKIM

Show 4 DKIM selectors

selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxI//zvWSAc1GQN3fYyhazTWpdwUaUGJw4NDS9+QPIBNAKHTbHNBrcSR4J5fhNB7eG+TnqMRGK02c/gKLfBU…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2PVy4AgY8RO9qCm2rtm8mV/J3+M+mhCDahhMKzwM8hrRduH9P4N7QYkbxLMMZFi4GoUnPUUAym8K1258sB…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAugoah84cue7JRnWz61ayA405kLq9eWh2vrmSyQVurTrnhODuB9gxo3XvJM/pSz9ieIidT2EZn0vvK3mpnZ…

selectors probed

Certificate (current)

Amazon RSA 2048 M02

from 2025-08-20 to 2026-09-19

Expires in 110 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.opto.com/

present

strict-transport-security

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=86400