optipub.com

HTML metadata

Technology

Server

nginx

CMS

WordPress

Third-party hosts loaded (2)

• cdn.clearfeed.app×1
• gmpg.org×1

Social

• facebook
• reddit
• linkedin
• twitter
• youtube

Registration

Registrar

eNom, LLC

Created

2017-05-25

Expires

2027-05-25 369 days left

Updated

2026-04-26

Name servers

• ns10.dnsmadeeasy.com
• ns11.dnsmadeeasy.com
• ns12.dnsmadeeasy.com
• ns13.dnsmadeeasy.com
• ns14.dnsmadeeasy.com

DNS records live

NS

• ns10.dnsmadeeasy.com
• ns11.dnsmadeeasy.com
• ns12.dnsmadeeasy.com
• ns13.dnsmadeeasy.com
• ns14.dnsmadeeasy.com
• ns15.dnsmadeeasy.com

MX

• 1 aspmx.l.google.com
• 10 alt3.aspmx.l.google.com
• 10 alt4.aspmx.l.google.com
• 5 alt1.aspmx.l.google.com
• 5 alt2.aspmx.l.google.com

TXT

• optipub=ik5sZ41qQ4Fhh7Oc79suHpsnPf0pB3o1
• optipub=Je1qHgONSta6pIv7g1P8c1a0lSPZWWbO

Verified for

• Anthropic
• Google
• Microsoft 365
• Twilio
• Yahoo

Email authentication strong

SPF

v=spf1 include:_spf.optipub.com include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; rua=mailto:4faibvye@ag.us.dmarcian.com;

policy: reject (enforced)

DKIM

• google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKojtzWa+QfaKuIbVtkcv/XHzNb7Q3vKfgJtcMCQuYqtOoDJVaZU3meCUqDqu1cmsg+2/Qs9oT1DpiZdhCWl…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://optipub.com/

present

• strict-transport-security

findings

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

Links to (6)

• calendly.com×2
• facebook.com×2
• linkedin.com×2
• reddit.com×2
• twitter.com×2
• youtube.com×2

Linked from (2)

• emailresourc.es×2
• mailcon.com×2