indexo.dev

jfrankle.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 1675 ms crawled 2026-05-10

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Jonathan Frankle
Description
Jonathan Frankle - Chief AI Scientist at Databricks. Founding team at MosaicML. MIT PhD.
Language
en

Technology

CDN
Cloudflare

Social

Registration

Registrar
Cloudflare, Inc.
Created
2007-12-26
Expires
2027-12-26 585 days left
Updated
2026-03-07
Name servers
  • lara.ns.cloudflare.com
  • theo.ns.cloudflare.com

DNS records live

NS
  • lara.ns.cloudflare.com
  • theo.ns.cloudflare.com
MX
  • 57 route1.mx.cloudflare.net
  • 77 route3.mx.cloudflare.net
  • 96 route2.mx.cloudflare.net
TXT
  • google-site-verification=6oJAQwWy4QmqHVzcNyTkXuZatGbfM1fn_8hQoR2Rfk4

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-05 to 2026-08-03
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (10)

Linked from (2)