indexo.dev

mainstay-online.co.uk

.uk crawl

First seen 2026-05-08 · Last seen 2026-05-08 · ok HTTP/1.1 200 4199 ms crawled 2026-05-15

DE · 167.235.126.237 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Login

Technology

Server
Microsoft-IIS

Registration

Registrar
123-Reg Limited t/a 123-reg
Created
2009-06-24
Expires
2027-06-24 399 days left
Updated
2025-06-25
Name servers
  • ns19.domaincontrol.com.
  • ns20.domaincontrol.com.

DNS records live

NS
  • ns19.domaincontrol.com
  • ns20.domaincontrol.com
MX
  • 10 sm05.internetmailserver.net

Email authentication partial

SPF
v=spf1 mx include:internetmailserver.net -all
strict (-all)
DMARC
v=DMARC1; p=none; pct=100; rua=mailto:rua@mainstay-online.co.uk; ruf=mailto:ruf@mainstay-online.co.uk
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-08-20 to 2026-08-21
Expires in 92 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://mainstay-online.co.uk/Booking/Account/Login?ReturnUrl=%2fbooking

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

Linked from (1)