indexo.dev

yup.io

.io crawl

First seen 2026-04-13 · Last seen 2026-05-07 · ok HTTP/1.1 200 3536 ms crawled 2026-05-07

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Yup • Decentralized Social All-In-One.
Description
Open Social All-in-One. Get the best of Twitter, Farcaster, Lens, Mirror, NFTs, and more in one feed.

Open Graph

site name
Yup

Technology

CDN
Fastly
Server
GitHub.com
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • unpkg.com×2
  • www.googletagmanager.com×2
  • ajax.googleapis.com×1
  • cdn.rawgit.com×1
  • fonts.googleapis.com×1

Social

Contact

Email

DNS records live

NS
  • ns53.domaincontrol.com
  • ns54.domaincontrol.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
  • 8 alt4.aspmx.l.google.com
TXT
Show 5 TXT records
  • google-site-verification=3NYahWbavUpm_E9b5pciLDZjXwO6-iT-fT8wRHP7tPg
  • facebook-domain-verification=yjboj4mb8m6s93l1a61yw3pr07dbkh
  • google-site-verification=uFNL7qdgMh6Bw4Rxo8AJ1oOd2SDR7n0p3cLvyVPploA
  • google-site-verification=RQZJ8qwElLoo93AIQYU72Y4TIgj3Mee_oUu7yFGsAN4
  • google-site-verification=tIa-JpyZVB6wSn4w_5mIg1ms6IaPywSlrCSeLzHJQD4

Email authentication partial

SPF
v=spf1 a include:_spf.google.com -all
strict (-all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiuyKXqcc9m2YUkvOLMM4ildwdFZdBf026+gAFLLVTDlzPmDCBzh9X0ifI66V9FzM1zzm29DS5VRElL…
selectors probed

Certificate (current)

R12
from 2026-04-29 to 2026-07-28
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (21)

Linked from (1)