boyangdeng.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-10 · ok HTTP/1.1 200 846 ms crawled 2026-05-07

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Boyang Deng
Language: en

Technology

CDN: Fastly
Server: GitHub.com

Social

Registration

Registrar

NameCheap, Inc.

Created

2020-11-02

Expires

2026-11-02 167 days left

Updated

2025-10-03

Name servers

dns1.registrar-servers.com
dns2.registrar-servers.com

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 eforward1.registrar-servers.com
10 eforward2.registrar-servers.com
10 eforward3.registrar-servers.com
15 eforward4.registrar-servers.com
20 eforward5.registrar-servers.com

Email authentication partial

SPF: v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-30 to 2026-07-29

Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://boyangdeng.com/

findings

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

Links to (7)

Linked from (5)