indexo.dev

frontiertower.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 574 ms crawled 2026-05-18

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Frontier Tower
Description
Sixteen floors in the heart of San Francisco filled with people advancing deep tech and frontier technologies.
Language
en
Canonical
https://frontiertower.io/

Open Graph

url
https://frontiertower.io
title
Frontier Tower
site name
Frontier Tower
description
Sixteen floors in the heart of San Francisco filled with people advancing deep tech and frontier technologies.

Technology

CDN
Vercel
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×2

DNS records live

NS
  • kinsley.ns.cloudflare.com
  • mcgrory.ns.cloudflare.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
  • brevo-code:b67862d39c999fbee42f41df6ad0f56e
  • google-site-verification=OEHcU0AqxinqQ3GiEP-_TDK6avLoOkdwaOviHfAD5JE
  • google-site-verification=h3_qMPoqFL05cM1UUF307B8y_K-yNI0avgcfAQhjcBM

Email authentication partial

SPF
v=spf1 include:spf.efwd.registrar-servers.com include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-28 to 2026-07-27
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://frontiertower.io/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (1)

Linked from (2)