berkshirehathaway.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 205 ms crawled 2026-05-19

US · 192.124.249.118 · AS30148 Sucuri

Reputation 100/100

Classifying

Technology

Server: Sucuri

Registration

Registrar

Network Solutions, LLC

Created

1996-09-06

Expires

2026-09-05 107 days left

Updated

2021-07-07

Name servers

ns10.worldnic.com
ns9.worldnic.com

DNS records live

NS

ns10.worldnic.com
ns9.worldnic.com

MX

5 berkshirehathaway-com.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication strong

SPF: v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC: v=DMARC1;p=reject
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2026-05-14 to 2026-08-12

Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://berkshirehathaway.com/

present

content-security-policy
x-frame-options
x-content-type-options

findings

missing HSTS
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests;

Linked from (12)