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perplexinglabs.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 548 ms crawled 2026-05-08

US · 24.12.130.94 · AS7922 Comcast Cable Communications, LLC

Reputation 87/100 weak security headers no dmarc policy

sector education type blog

HTML metadata

Title
perplexing labs
Description
Mindful ramblings and experiments of a mathy mind
Canonical
https://perplexinglabs.com/

Technology

Server
nginx

Social

Registration

Registrar
NameCheap, Inc.
Created
2019-11-30
Expires
2031-11-30 2020 days left
Updated
2023-08-21
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 10 mx1.privateemail.com
  • 10 mx2.privateemail.com

Email authentication weak

SPF
v=spf1 include:spf.privateemail.com ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzXmBpVjx4iOsow0ttnxj6cGswKpRlJvGLMrCiKWtq/WMlW4EMvZQU3llveYIPAtTUeJo6xadcEwhMYS4…
selectors probed

Certificate (current)

R13
from 2026-04-08 to 2026-07-07
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (1)