indexo.dev

sumzero.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 1196 ms crawled 2026-05-06

US · 35.175.166.209 · AS14618 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
The World's Largest Professional Investor Community - SumZero
Description
Quality, peer-reviewed investment research from top analysts and rising stars in the fund industry.
Language
en

Open Graph

url
https://sumzero.com
title
The World's Largest Professional Investor Community
site name
SumZero, Inc.
description
Quality peer-reviewed investment research from top analysts and rising stars in the fund industry.

Technology

Server
nginx
Analytics
  • Google Tag Manager
Social widgets
  • Vimeo Embed

Third-party hosts loaded (3)

  • sz-assets-prod.s3.amazonaws.com×3
  • www.googletagmanager.com×2
  • player.vimeo.com×1

Social

Registration

Registrar
Amazon Registrar, Inc.
Created
2004-08-02
Expires
2026-08-02 73 days left
Updated
2025-06-28
Name servers
  • ns-1437.awsdns-51.org
  • ns-1748.awsdns-26.co.uk
  • ns-83.awsdns-10.com
  • ns-848.awsdns-42.net

DNS records live

NS
  • ns-1437.awsdns-51.org
  • ns-1748.awsdns-26.co.uk
  • ns-83.awsdns-10.com
  • ns-848.awsdns-42.net
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • hj-ownership=vZte5S9q7ukv
Verified for
  • Google
  • Meta

Email authentication strong

SPF
v=spf1 a include:sendgrid.net ip4:167.89.74.230 ip4:168.245.52.66 include:_spf.google.com include:aspmx.googlemail.com include:_spf.salesforce.com -all
strict (-all)
DMARC
v=DMARC1; p= quarantine; rua=mailto:dev@sumzero.com
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCn8C2BbnOCXc+OP+kvnEQBdpJpnCSciCpbVTQ0cGUVimcYPm5vVMg64L+ulN5QywdiBTEL7SOrvjRbTC6oVd…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAye3h1Zg0WIa6bu/F3Wl3zhn9BeX/igX9ozBLmDWL9GV3WCtvM6/54FeTI8Qiwg8CCUMg2jnCBSJKbvkcpU…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDoUMljDuTCXGcL/K5MhpCQUQbqBD5zGZHRbqUTfOJzGH9XYzDujCvYzu0Q3GmvReKSqm/paKoJ+O3C8bHy6pCxfY…
selectors probed

Certificate (current)

Amazon RSA 2048 M04
from 2026-03-11 to 2026-09-25
Expires in 127 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://sumzero.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (4)

Linked from (1)