indexo.dev

albert.io

.io crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 3293 ms crawled 2026-05-15

US · 44.196.240.33 · AS14618 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Grades 5-12 reading, writing, math, science, and test prep | Albert
Description
Albert offers teachers rigorous, standards-aligned practice content for grades 5-12 in ELA, math, science, social studies, Spanish, AP, ACT/SAT, and state exams.
Language
en

Technology

CDN
Amazon CloudFront
Server
CloudFront
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • a-us.storyblok.com×5
  • www.googletagmanager.com×1

Social

Contact

Email

DNS records live

NS
  • ns-1405.awsdns-47.org
  • ns-156.awsdns-19.com
  • ns-1765.awsdns-28.co.uk
  • ns-759.awsdns-30.net
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 6 TXT records
  • google-site-verification=SXrwYxkQbng3-QoH2Li954nfqkK1_6brdp2tMM6NJDs
  • google-site-verification=U05jLtMzjGwdOdmyGMtvfoL9XFPtCBHUfr_r45TrEjo
  • google-site-verification=ipJZmGJjZhjJxp7iqPxLKyTDmQlQPCGYSCStWk3RXxc
  • google-site-verification=v4cRZaaMp5CWfErjVxToXwcdvowKADxOBRSMoyuGrP0
  • MS=08CE74EB6FD26C3F1078358D32657B440617CD3B
  • google-site-verification=96Y_jp1h2skn90F6Ckycf0lp2oi0McWbG76bPIqtASs

Email authentication partial

SPF
v=spf1 include:amazonses.com include:_spf.google.com include:_spf.createsend.com ~all
softfail (~all)
DMARC
v=DMARC1;p=none;rua=mailto:engineering+dmarcrua@albert.io;ruf=mailto:engineering+dmarcruf@albert.io;fo=1;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCBjl6Ecsv2Oa0hje3tG7bl8+7WlnlbyizBCTAvofnFxwlG6gNAQ8fNqaO7uGR6RtF28oYjCYrZauXJv1JRTl…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqQV7DxuV5JbQZCPZTraNQHBOWuQFgJEMP+ql2Lv3sd9lMUm+f+FanMY+tKBwGAeHt75VQRjKfk/77UWb+v…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDjKunhLkCk4Evo7FvSt/8x6QPt69E6YqtVsxB+nZiRfq7lwhmHuM8EfgAxk/MpD3aLFzxZNUJ7F4X4do3xLs6hxJ…
selectors probed

Certificate (current)

Amazon RSA 2048 M01
from 2026-01-15 to 2027-02-14
Expires in 271 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.albert.io/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self' *.instructure.com https://app.storyblok.com https://webforms.pipedrive.com https://cdn.lemcal.com;
strict-transport-security
max-age=31536000

Links to (3)

Linked from (1)