indexo.dev

paper.co

.co crawl

First seen 2026-04-16 · Last seen 2026-05-16 · ok HTTP/1.1 200 5896 ms crawled 2026-05-11

US · 199.60.103.31 · AS209242 Cloudflare London, LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
High Impact Tutoring | NSSA Certified & ESSA III Evidence | Paper
Description
High-impact tutoring focused on instructional continuity, classroom-aligned curriculum, and consistent tutors—backed by NSSA and ESSA Level III evidence.
Language
en
Generator
HubSpot
Canonical
https://paper.co

Open Graph

url
https://paper.co
title
High Impact Tutoring | NSSA Certified & ESSA III Evidence | Paper
description
High-impact tutoring focused on instructional continuity, classroom-aligned curriculum, and consistent tutors—backed by NSSA and ESSA Level III evidence.

Technology

CDN
Cloudflare
CMS
Joomla
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed
Third-party hosts loaded (9)
  • no-cache.hubspot.com×6
  • cdnjs.cloudflare.com×3
  • www.youtube.com×3
  • fonts.googleapis.com×2
  • design-assets.hubspot.com×1
  • fonts.gstatic.com×1
  • js.hubspot.com×1
  • stackpath.bootstrapcdn.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns-cloud-c1.googledomains.com
  • ns-cloud-c2.googledomains.com
  • ns-cloud-c3.googledomains.com
  • ns-cloud-c4.googledomains.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
Show 12 TXT records
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  • box-domain-verification=91d93ba6d85f544a1a319455d8c6f3da672a1af1d382fbc60d1568ab9c321013
  • atlassian-sending-domain-verification=c4e9ccb7-99f5-4738-9498-592d3f98e24e
  • openai-domain-verification=dv-ZBypzV4K3LC9zPX2ejw4l4V0
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  • google-site-verification=SEdhr30TJJglW4mZ2NZucourfX-ADLb0tvP49ktyQN8

Email authentication partial

SPF
v=spf1 include:_spf.salesforce.com include:_spf.google.com include:spf.mandrillapp.com include:7967916.spf05.hubspotemail.net include:mail.zendesk.com include:_spf.mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-rua@paper.co; ruf=mailto:dmarc-ruf@paper.co; fo=1
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlW3gnXhDlHn6FLOeHIJyu7y0IAflZnHZM2RzKhrqJmj8XMNeZr+b47jjzE2SxLq4hv2FPwcB9AELP0…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

WE1
from 2026-04-26 to 2026-07-25
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://paper.co/

present
  • strict-transport-security
  • content-security-policy
  • referrer-policy
findings
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
content-security-policy
upgrade-insecure-requests
strict-transport-security
max-age=31536000

Links to (7)

Linked from (2)