indexo.dev

blinklearning.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-17 · ok HTTP/1.1 200 540 ms crawled 2026-05-11

US · 18.165.140.46 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Language
en

Technology

CDN
Amazon CloudFront
Server
.

Registration

Registrar
Network Solutions, LLC
Created
2009-02-12
Expires
2027-02-12 267 days left
Updated
2026-01-23
Name servers
  • ns-1011.awsdns-62.net
  • ns-1044.awsdns-02.org
  • ns-1677.awsdns-17.co.uk
  • ns-209.awsdns-26.com

DNS records live

NS
  • ns-1011.awsdns-62.net
  • ns-1044.awsdns-02.org
  • ns-1677.awsdns-17.co.uk
  • ns-209.awsdns-26.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 30 alt2.aspmx.l.google.com
  • 40 alt3.aspmx.l.google.com
TXT
  • 208zlzwkn96p2t7126jkyszxsl8s9ynl
  • _pdfpgl3xz6lcx6zzfibgliq57i7m4ce
Verified for
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:servers.mcsv.net include:_spf.getresponse.com include:_spf.hostedemail.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=quarantine; pct=5; ruf=mailto:dmarc.info@blinklearning.com; aspf=s; adkim=s
policy: reject (enforced) · pct=5 · sp=quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjCoGUpDFDiFRqTYdOMbYeweWNrtaH0l4mXD8dxXDOq3qEgzsxXDsjRGoCesrXa9gfJngSpUqUyX1li…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

RapidSSL TLS RSA CA G1
from 2025-09-25 to 2026-10-11
Expires in 143 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://blinklearning.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains;

Linked from (2)