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tcf.com

.com crawl

First seen 2026-05-28 · Last seen 2026-06-16 · error HTTP/1.1 403 419 ms crawled 2026-06-15 5 attempts

US · 141.193.213.21 · AS209242 Cloudflare London, LLC

Reputation 84/100 crawl error dmarc monitor-only

Classifying

cloudflare bot challenge

HTML metadata

Title
Twin City Fan & Blower - Industrial & Commercial Fan and Blower Manufacturing
Language
en-US
Generator
TCF 2025 v.3.2.2
Canonical
https://tcf.com/
Feeds

Open Graph

url
https://tcf.com/
title
Twin City Fan & Blower - Industrial & Commercial Fan and Blower Manufacturing
locale
en_US
site name
Twin City Fan & Blower

Technology

CDN
Cloudflare
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • fonts.googleapis.com×2
  • www.googletagmanager.com×2
  • insight.adsrvr.org×1
  • js.adsrvr.org×1
  • px.ads.linkedin.com×1

Social

Contact

Phone

Registration

Registrar
Network Solutions, LLC
Created
1997-05-14
Expires
2027-05-15 331 days left
Updated
2022-03-16
Name servers
  • ns1-01.azure-dns.com
  • ns2-01.azure-dns.net
  • ns3-01.azure-dns.org
  • ns4-01.azure-dns.info

DNS records live

NS
  • ns1-01.azure-dns.com
  • ns2-01.azure-dns.net
  • ns3-01.azure-dns.org
  • ns4-01.azure-dns.info
MX
  • 10 smtp1-msp.securence.com
  • 20 smtp1-mke.securence.com
TXT
Show 5 TXT records
  • TLXhRjmtakY2u0njvN3g
  • atlassian-sending-domain-verification=ca1697f5-fce7-4295-96e3-1388fa657802
  • ciscocidomainverification=1cd1ba03b040306990dc959d1e58994fdfa03d595b0bf468d782022ed5003568
  • Kr/Xvo8Q4ux9uDoGx8kXbeyzb2ExiC1eAK0GipeZ4EOVz3NySCJPkv2ImHNVLY99ryUyN66JdG/7yKBfUqlFCA==
  • tcfpublicwebserver02.centralus.cloudapp.azure.com
Verified for
  • Anthropic
  • Atlassian
  • DocuSign
  • Microsoft 365
  • OpenAI

Email authentication partial

SPF
v=spf1 include:spf.securence.com include:_spf.atlassian.net include:spf.protection.outlook.com include:sendgrid.net include:_spf.ultipro.com ip4:65.100.227.101 -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarcreports@tcf.com; ruf=mailto:dmarcreports@tcf.com; fo=s; aspf=s; pct=100
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw1gU64wM331J2x42nJ5l0VWV9mz2yyXOQwlgqvQ5eOkANWTV43m7GSCUU9MBBKHDpm6+8o9nY+5vm506tZ…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8tvSmzHnj/KkHIVAuonmai05ZFiat3Js8GETYTxg0Pfb3773i53A56TIx89vrodwSgVPFTQFqQ1Tg/KOpQM6YlC…
selectors probed

Certificate (current)

WE1
from 2026-05-05 to 2026-08-04
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (2)

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