indexo.dev

75f.io

.io crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 7370 ms crawled 2026-05-16

US · 75.2.60.5 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

sector tech type blog

HTML metadata

Title
The World's Most Advanced IoT Building Automation | 75F
Description
75F's award-winning smart sensors and controls improve indoor air quality and make commercial buildings more comfortable and energy efficient. Automatically.
Language
en
Generator
Gatsby 4.17.2
Canonical
https://www.75f.io/

Open Graph

title
The World's Most Advanced IoT Building Automation
locale
en_EN
description
75F's award-winning smart sensors and controls improve indoor air quality and make commercial buildings more comfortable and energy efficient. Automatically.

Technology

CDN
Netlify
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (6)

  • www.datocms-assets.com×160
  • use.typekit.net×3
  • fast.wistia.com×1
  • js.hs-scripts.com×1
  • p.typekit.net×1
  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • ns65.domaincontrol.com
  • ns66.domaincontrol.com
MX
  • 0 mx1-us2.ppe-hosted.com
  • 0 mx2-us2.ppe-hosted.com
TXT
  • lw=69e921f4170e075b1bd75afa
  • ppe-c260967e152d10ff23047b20854276c30e782fc9
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 a:dispatch-us.ppe-hosted.com include:2679969.spf05.hubspotemail.net include:spf.protection.outlook.com include:zcsend.net include:sent-via.netsuite.com include:sendgrid.net include:spf.mandrillapp.com include:mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:mailerror@75f.io
policy: none (monitoring only)
DKIM
Show 4 DKIM selectors
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXvdaaMl56pIbOq2hQAyUuMAFGn+GJ4Zuct2ajxPWtz55d5ZMBTX8FeNChEa8MJNSEGhbomAuPg3UjbbM/Vc…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv5HMbD1KOd1FWrJXadKUV/asQ4L1O7AIRUisbaE/e3eZ+r1S51SCv8G/t9x8npL9O47/sM3BgMtBH3MoBG…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4B5xh3jzQdF447XBJnNOQbsVVDY45LC+QIvDF7RCJVucG2jyXeLqtRAc81nFmE0RPeV4SGiYS2zCP9ZEWw…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

E8
from 2026-03-11 to 2026-06-09
Expires in 19 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.75f.io/

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
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (6)

Linked from (1)