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ian-a-sullivan.com

.com crawl

First seen 2026-05-09 · Last seen 2026-05-09 · ok HTTP/1.1 200 2089 ms crawled 2026-05-15

US · 69.163.179.215 · AS26347 New Dream Network, LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Ian A. Sullivan
Description
I am a 5th year Ph.D. student in the Department of Mathematics at UC Davis. I am co-advised by Eugene Gorsky and Melissa Zhang. I study low-dimensional topology and link homology theories. I will be on the job market in 2025-2026.

Technology

Server
Apache

Registration

Registrar
DreamHost, LLC
Created
2024-03-06
Expires
2027-03-06 290 days left
Updated
2026-02-03
Name servers
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com

DNS records live

NS
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com
TXT
  • google-site-verification=AtTY7_ySZCVGtUFaK-YDJlLIi5OFFPtFQTnz0uLmCos

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-20 to 2026-07-19
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ian-a-sullivan.com/

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

Links to (1)

Linked from (1)