indexo.dev

mostlybits.co

.co crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 349 ms crawled 2026-05-07

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Mostly Bits

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • cdn.jsdelivr.net×1
  • fonts.gstatic.com×1

Social

DNS records live

NS
  • ns1.dnsimple.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple.com
  • ns4.dnsimple-edge.org
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org
TXT
  • ALIAS for mostlybits.github.io

Email authentication weak

SPF
v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC
not published
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCy9sIAexy6zAq3dohEWIRLYNfUPtDsVz9im+RF1XZPUa5XdRDGCY3+fUAs8+Sx4r7ZH2qsYsh+tBjpULYGms2xZDQypXF…
selectors probed

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://mostlybits.co/

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=31556952

Links to (3)

Linked from (2)