smrtb.com

.com toplist crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1619 ms crawled 2026-05-18

US · 172.67.74.233 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Sovrn, Inc. Power to the Publisher
Description: Thousands of the world’s top publishers trust the Sovrn Platform to thrive on the open web.

Open Graph

title: Sovrn, Inc. Power to the Publisher
description: Thousands of the world’s top publishers trust the Sovrn Platform to thrive on the open web.

Technology

CDN: Cloudflare

Fonts

Google Fonts

Third-party hosts loaded (7)

cdn.prod.website-files.com×6
ajax.googleapis.com×1
assets.godatashift.com×1
d3e54v103j8qbb.cloudfront.net×1
fonts.googleapis.com×1
fonts.gstatic.com×1
uploads-ssl.webflow.com×1

Social

Registration

Registrar

GoDaddy.com, LLC

Created

2013-12-08

Expires

2026-12-08 202 days left

Updated

2025-12-04

Name servers

kate.ns.cloudflare.com
theo.ns.cloudflare.com

DNS records live

NS

kate.ns.cloudflare.com
theo.ns.cloudflare.com

MX

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

TXT

google-site-verification=GbCKahg5oM-_Jh0SFTM2dfOPb_oUjw9RXjvh-c0Flbo

Email authentication strong

SPF

v=spf1 include:_spf.smrtb_com._d.easydmarc.pro ~all

softfail (~all)

DMARC

v=DMARC1;p=reject;rua=mailto:3a3e8c30c8@rua.easydmarc.us;ruf=mailto:3a3e8c30c8@ruf.easydmarc.us;adkim=s;fo=1

policy: reject (enforced)

DKIM

Show 4 DKIM selectors

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYhYPdu17i6J+yQGLRl/1/8ZrCI/przxzPSsNZbcIIqL71ajXxfvp99Pofu1n4IFDSJanSY2Comb8eZvx44h…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsnisKpIG69/pxxA9TBV5nHQXwxu04ObQ+DqXpMHPJwGTfLOeCC++VW3nQQKYKAVxnNtde+s9saJY5b806k…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCdboxTWN7TUn9ShnlM7gVhILdI9tf19cVwpG1FWFBz9wZiJN2nCB+dMw9AqpPrYPvaVHphyjYtOvG4X2CtpU2TSb…

selectors probed

Certificate (current)

WE1

from 2026-03-24 to 2026-06-22

Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://smrtb.com/

present

content-security-policy
x-frame-options

findings

missing HSTS
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
content-security-policy: frame-ancestors 'self'