indexo.dev

briankoberlein.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 5278 ms crawled 2026-05-19

US · 104.198.14.52 · AS396982 Google LLC

Reputation 100/100

Classifying

HTML metadata

Title
Brian Koberlein
Description
The writings of Brian Koberlein
Language
en
Generator
Brian Koberlein
Canonical
https://briankoberlein.com/
Feeds

Technology

CDN
Netlify

Contact

Email

Registration

Registrar
Tucows Domains Inc.
Created
2010-08-31
Expires
2027-08-31 467 days left
Updated
2026-04-13
Name servers
  • ns1.hover.com
  • ns2.hover.com
  • ns3.hover.com

DNS records live

NS
  • ns1.hover.com
  • ns2.hover.com
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
TXT
  • protonmail-verification=79f490dcade30772fdc8380177cf78e6ea0b0989
Verified for
  • Google

Email authentication strong

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

Certificate (current)

E7
from 2026-03-11 to 2026-06-09
Expires in 20 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://briankoberlein.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Linked from (1)