byjasonli.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 409 ms crawled 2026-05-19

NL · 213.108.104.110 · AS47172 Greenhost BV

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: About Jason Li
Description: A place to introduce internet strangers to me and my work

Open Graph

url: https://byjasonli.com
title: About Jason Li

Technology

Server: Apache

Social

Registration

Registrar

Tucows Domains Inc.

Created

2017-01-16

Expires

2027-01-16 240 days left

Updated

2026-01-15

Name servers

ns1.hover.com
ns2.hover.com

DNS records live

NS

ns1.hover.com
ns2.hover.com

MX

10 mail.protonmail.ch
20 mailsec.protonmail.ch

TXT

protonmail-verification=3ec383b76525d2cac445d6440a7a7ab696bb6785

Email authentication strong

SPF: v=spf1 include:_spf.protonmail.ch mx ~all
softfail (~all)
DMARC: v=DMARC1; p=quarantine
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-07 to 2026-08-05

Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://byjasonli.com/

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff