indexo.dev

persto.io

.io crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 234 ms crawled 2026-06-02

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Persto | Mentorship Program Management
Description
Persto is mentorship program management software built for Venture Mentoring Service programs. Automate scheduling, reporting, and workflows so you can focus on driving impact.
Language
en

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • www.youtube.com×1

DNS records live

NS
  • ns09.domaincontrol.com
  • ns10.domaincontrol.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
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:dc-aa8e722993._spfm.persto.io ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-16 to 2026-07-15
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://persto.io/

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

Links to (1)

Linked from (1)