indexo.dev

sterlingheat.com

.com crawl

First seen 2026-05-01 · Last seen 2026-05-18 · ok HTTP/1.1 200 2322 ms crawled 2026-05-08

US · 52.151.208.173 · AS8075 Microsoft Corporation

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sterlingheat
Description
Sterling Hydronics manufactures high quality finned tube baseboard, cabinet unit heaters, convectors, steam and hot water heaters, radiant ceiling heating and cooling panels.
Language
en-US
Generator
Orchard

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • code.jquery.com×1
  • kit.fontawesome.com×1
  • www.googletagmanager.com×1
  • www.mestek.com×1

Contact

Phone
Address
260 North Elm StreetWestfield, MA 01085P:(413) 564-5535

Registration

Registrar
Network Solutions, LLC
Created
1996-06-01
Expires
2031-05-31 1838 days left
Updated
2022-02-23
Name servers
  • ns100.worldnic.com
  • ns99.worldnic.com

DNS records live

NS
  • ns100.worldnic.com
  • ns99.worldnic.com
MX
  • 10 sterlingheat-com.mail.protection.outlook.com
TXT
  • _ffzf5bej33dxeey02z2kba2wq25rcpt

Email authentication weak

SPF
v=spf1 redirect=mestek.net
no all qualifier
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBjMYdZMT+7a3DUAyOQSPGdqWN8zH4uy8YtEv4bpjal5lxyF0WwOCfbIEHJ8wTNuqQyKDjskuqcGILB9wGjP…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCj4vV/zXwiNvjluIX64y/KSTDhRxxAr4sUwp/zSAB1O57lH0sC0qNyROSE3+D7FQMVQLrK2Ctcny9p7ctrrY…
selectors probed

Certificate (current) wrong cert

DigiCert Global G2 TLS RSA SHA256 2020 CA1
from 2026-03-30 to 2026-09-22
Expires in 126 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (2)