nationalgridus.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-16 · ok HTTP/1.1 200 2887 ms crawled 2026-05-06

US · 104.16.171.181 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Natural Gas & Electricity | National Grid
Description: Welcome to National Grid, providing New York and Massachusetts with natural gas and electricity for homes and businesses.
Language: en

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Third-party hosts loaded (3)

www.googletagmanager.com×2
searchg2-assets.crownpeak.net×1
translate.google.com×1

Social

Registration

Registrar

CSC Corporate Domains, Inc.

Created

1999-04-15

Expires

2027-04-15 331 days left

Updated

2026-04-11

Name servers

ns01.nationalgrid.com
ns02.nationalgrid.com

DNS records live

NS

ns01.nationalgrid.com
ns02.nationalgrid.com

MX

10 mx0a-003cc501.pphosted.com
10 mx0b-003cc501.pphosted.com

TXT

Show 5 TXT records

_unecv44nw121zwwkepr9vhpqv7gqexe
_81sbqcjbhm9bfvc11njnrjljwha95uk
MS=ms92117992
docusign=3d88c1b8-ab71-41ca-950f-b6d07b216f81
google-site-verification=ChM3PHh0aIiXnvk2UvjhQYABeDDrRAAFbTB3mdQYftY

Email authentication strong

SPF

v=spf1 -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;adkim=s;aspf=s;fo=1

policy: reject (enforced)

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqfXyz/xo55cnDdpiTGsQ8oJfNAOpRM4Pf8mYqCDyypRcJcPQfOezOfZurcTVhdjOidx0Ybj7GZWTRfJxFA…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxs+zVfUuiTM2C9jyg13UY0srXKwLvUkyo1pEUcSMki9fBW5ka2DDxzfFUV0UAHJUtMMtiyg1vubTz+CwCvTYAbz…

selectors probed

Certificate (current)

WE1

from 2026-03-31 to 2026-06-29

Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.nationalgridus.com/Default.aspx

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000