indexo.dev

1721studio.co.uk

.uk crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP 200 2948 ms crawled 2026-05-13

GB · 77.72.4.16 · AS12488 Krystal Hosting Ltd

Reputation 87/100 weak security headers no dmarc policy

Registration

Registrar
123-Reg Limited t/a 123-reg
Created
2014-12-15
Expires
2026-12-15 209 days left
Updated
2025-12-16
Name servers
  • ns1.krystal.uk.
  • ns2.krystal.uk.

DNS records live

NS
  • ns1.uksrv.uk
  • ns2.uksrv.uk
MX
  • 10 mx1.uksrv.co.uk
  • 20 mx2.uksrv.co.uk

Email authentication weak

SPF
v=spf1 include:relay.k.io a mx ip4:77.72.4.16 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvsteRBYyPh88BHSeFbgozWXdU5ML3qM0yt9UijM7s0SyHBVXSAFjZQX/lAdo+WQnu0HUqwOZN3Q46K…
selectors probed

Certificate (current)

R12
from 2026-04-13 to 2026-07-12
Expires in 53 days

Full certificate history on crt.sh ↗

Linked from (1)