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

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)