blackburnflag.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 1312 ms crawled 2026-05-08

US · 104.21.78.246 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Blackburn Mfg. Co.
Description: Discover premium marking flags and custom signs from Blackburn, a trusted leader since 1953. Perfect for landscaping, surveying, and more. Explore now!
Language: en
Canonical: https://blackburnflag.com/

Technology

CDN: Cloudflare

Fonts

Google Fonts

Third-party hosts loaded (9)

cdn11.bigcommerce.com×42
fonts.googleapis.com×2
cdn.calltrk.com×1
code.tidio.co×1
fonts.gstatic.com×1
io.dropinblog.com×1
microapps.bigcommerce.com×1
searchserverapi1.com×1
static.klaviyo.com×1

Social

Contact

Phone

800-942-5816

Address

PO Box 86 Neligh, NE 68756

Registration

Registrar

eNom, LLC

Created

1996-09-16

Expires

2026-09-15 117 days left

Updated

2025-08-15

Name servers

lovisa.ns.cloudflare.com
pranab.ns.cloudflare.com

DNS records live

NS

lovisa.ns.cloudflare.com
pranab.ns.cloudflare.com

MX

10 d189272a.ess.barracudanetworks.com
20 d189272b.ess.barracudanetworks.com

TXT

klaviyo-site-verification=VHU3dv

Verified for

Ahrefs
Google

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.bigcommerce.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:c0a0a6d70e5f4f2687ed0f10b31ca7cd@dmarc-reports.cloudflare.net

policy: none (monitoring only)

DKIM

selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCyVBYeoia2b0MYBqnR910ETiXo7WjmRHj6IAF/umZiFN6W2T4fnPnKj9y2F701bKV2WxanPqdBAT/sPOQbo9…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArRr7Id/BDhBmYrgzf1+nRunm5t9EFjaHcggWpna7sRVqD57IejkjWzglZHJyhS1+YPuVVSTcWRn2Utf0Vp…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDzQWVNjHknSr9/sqHgCPbVX30jwWHZYguV10BDxRr/Qo0Yg9I8Dr705LXy8L927YxSQL55jDwRy5LaYO7XLOQI3R…

selectors probed

Certificate (current)

WE1

from 2026-04-24 to 2026-07-23

Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://blackburnflag.com/

present

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

findings

short HSTS max-age
missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: deny
x-content-type-options: nosniff
strict-transport-security: max-age=300

Links to (3)

Linked from (1)

gulfagriculture.com×2