sofiya.io

.io crawl

First seen 2026-04-14 · Last seen 2026-05-06 · ok HTTP/1.1 200 837 ms crawled 2026-05-08

US · 45.79.143.173 · AS63949 Akamai Connected Cloud

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Sofiya Semenova
Description: The personal blog and portfolio of Sofiya Semenova, a PhD student at the University at Buffalo.
Canonical: http://sofiya.io/

Technology

Server: nginx

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×2
kit.fontawesome.com×1

Social

DNS records live

NS

ns1.linode.com
ns2.linode.com
ns3.linode.com
ns4.linode.com
ns5.linode.com

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

Email authentication weak

SPF: v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-14 to 2026-06-12

Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sofiya.io/

findings

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

Links to (5)

Linked from (1)

brutalistwebsites.com×2