indexo.dev

retrotechnology.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 2215 ms crawled 2026-05-07

US · 64.246.135.58 · AS22302 INOC, LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
retrotechnology.com, retrotechnology.net

Technology

Server
OpenBSD

Contact

Address
Herb JohnsonNew Jersey, USA

Registration

Registrar
eNom, LLC
Created
2002-08-19
Expires
2026-08-19 91 days left
Updated
2024-05-26
Name servers
  • ns1.he.net
  • ns2.he.net
  • ns3.he.net
  • ns4.he.net
  • ns5.he.net

DNS records live

NS
  • ns1.he.net
  • ns2.he.net
  • ns3.he.net
  • ns4.he.net
  • ns5.he.net
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
TXT
  • protonmail-verification=b5fadff31a96c7039e646fa0580752824149252c

Email authentication strong

SPF
v=spf1 include:_spf.protonmail.ch mx ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-01 to 2026-07-30
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://retrotechnology.com/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (1)