indexo.dev

optoutprescreen.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1190 ms crawled 2026-05-18

DE · 104.102.63.137 · AS16625 Akamai Technologies, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
ISP Error - OptOutPrescreen.com
Language
en

Technology

CDN
Akamai

Registration

Registrar
GoDaddy Corporate Domains, LLC
Created
2004-08-10
Expires
2028-07-12 784 days left
Updated
2026-04-07
Name servers
  • asia1.akam.net
  • eur2.akam.net
  • eur5.akam.net
  • ns1-126.akam.net
  • ns1-57.akam.net
  • usc4.akam.net
  • usc5.akam.net
  • use2.akam.net

DNS records live

NS
  • asia1.akam.net
  • eur2.akam.net
  • eur5.akam.net
  • ns1-126.akam.net
  • ns1-57.akam.net
  • usc4.akam.net
  • usc5.akam.net
  • use2.akam.net

Email authentication no MX

SPF
v=spf1 include:mailgun.org 86cndl4artn8bm5t2n4fu945fq ~all
softfail (~all)
DMARC
v=DMARC1; p=reject
policy: reject (enforced)
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu71mySmBFbi6pskEsr+xC2sLoSHGHpqE5t9JSXVwrzXZ6zBQFdtCzL1J2Lw9JO413jTWeoaK94vFHXVJCN…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1JfkWJovqgfq47sjPnHisBe80HndnIZLB1ZHfGwwOVOtu1DWNEP2LjzG6n7kw1nWRPGT9FrIkTpGCMtMbN…
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

DigiCert Global G3 TLS ECC SHA384 2020 CA1
from 2026-01-21 to 2027-01-21
Expires in 246 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (4)