johnbreslin.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-16 · ok HTTP/1.1 200 722 ms crawled 2026-05-13

DE · 217.160.0.71 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: John Breslin, University of Galway Professor, Startup Co-Founder, Advisor, Board Member, Educator, Engineer, Entrepreneur

Technology

Server: Apache

Third-party hosts loaded (2)

sifa.id×2
kit.fontawesome.com×1

Social

Registration

Registrar

IONOS SE

Created

2000-04-20

Expires

2027-01-02 228 days left

Updated

2025-12-14

Name servers

ns1045.ui-dns.biz
ns1045.ui-dns.com
ns1045.ui-dns.de
ns1045.ui-dns.org

DNS records live

NS

ns1045.ui-dns.biz
ns1045.ui-dns.com
ns1045.ui-dns.de
ns1045.ui-dns.org

MX

10 mx00.ionos.fr
10 mx01.ionos.fr

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

Certificates

Loading certificate

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://johnbreslin.com/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (31)

Linked from (3)