northwesternenergy.com

HTML metadata

Title: NorthWestern Energy | Delivering a Bright Future.
Description: NorthWestern Energy is a utility company providing reliable and affordable electricity and natural gas to customers in Montana, South Dakota and Nebraska.
Language: en
Generator: Sitefinity 15.3.8525.0 DX
Canonical: https://northwesternenergy.com

Open Graph

url: https://northwesternenergy.com
title: NorthWestern Energy | Together, we’re working to deliver a bright future.
site name: Default
description: Together, we’re working to deliver a bright future. As your energy company, we do so much more than make sure your lights and heat come on. We’re proud to be a part of the communities we serve and honored to give back.

Technology

Server: None

Analytics

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Fonts

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Third-party hosts loaded (2)

www.googletagmanager.com×2
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Social

Contact

Address: 3010 West 69th Street, 57108, Sioux Falls, United States

Registration

Registrar

Network Solutions, LLC

Created

1999-12-02

Expires

2026-12-02 197 days left

Updated

2025-10-03

Name servers

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ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
ns4.dnsimple.com

DNS records live

NS

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ns2.dnsimple.com
ns3.dnsimple.com
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MX

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0 mxb-00194201.gslb.pphosted.com

TXT

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Email authentication strong

SPF: v=spf1 -ALL
strict (-all)
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policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA

from 2025-05-02 to 2026-06-03

Expires in 15 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://northwesternenergy.com/

present

strict-transport-security
content-security-policy
x-frame-options
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findings

CSP uses wildcard sources
missing Permissions Policy

Header values

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