indexo.dev

sterlingeducationgroup.co.uk

.uk crawl

First seen 2026-04-15 · Last seen 2026-05-07 · error HTTP 401 crawled 2026-05-09 5 attempts

GB · 185.151.30.182 · AS48254 20i Limited

Reputation 82/100 crawl error no dmarc policy

http 401

DNS records live

NS
  • ns1.stackdns.com
  • ns2.stackdns.com
  • ns3.stackdns.com
  • ns4.stackdns.com
MX
  • 0 sterlingeducationgroup-co-uk.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.ourmailsender.com include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtXCr9etsNtI/1xYyYc011iAId0hMppSd8X2qVZYFf0GD/oymR1R8OzSE2ogFVOIEZ6JwX5R/LADgaCEdvn…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1S+hMC3Ae9W/FPU/QM4RVevTYBAnkyOQGcP+jHeyzMyYN/Eghtj9UsykYOsW+UXoCuWzgzr9ylLkWSwj96…
selectors probed

Certificate (current)

R12
from 2026-05-01 to 2026-07-30
Expires in 70 days

Full certificate history on crt.sh ↗

Linked from (1)