indexo.dev

jrosser.co.uk

.uk crawl

First seen 2026-04-23 · Last seen 2026-05-14 · ok HTTP/1.1 200 1388 ms crawled 2026-05-17

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
J Rosser - Portfolio
Description
DPhil student at Oxford studying Machine Learning and AI Safety
Language
en

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Registration

Registrar
Ionos SE
Created
2023-10-08
Expires
2026-10-08 140 days left
Updated
2025-10-07
Name servers
  • ns1026.ui-dns.org.
  • ns1091.ui-dns.com.
  • ns1096.ui-dns.biz.
  • ns1119.ui-dns.de.

DNS records live

NS
  • ns1026.ui-dns.org
  • ns1091.ui-dns.com
  • ns1096.ui-dns.biz
  • ns1119.ui-dns.de
MX
  • 10 mx00.ionos.co.uk
  • 10 mx01.ionos.co.uk
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-02 to 2026-07-31
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jrosser.co.uk/

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

Linked from (1)