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DNS Builder

Free BIMI Record Generator & Visual DNS Builder

Published by Fred Dawson | Category: DNS & Auth | Free Web Application
Security Rate Limit: 5 free uses / IP / 24 hours

Generate the DNS record that puts your logo next to your emails. Enter your logo URL and certificate authority reference, pick a selector, and copy the finished v=BIMI1 TXT record — plus the exact DMARC prerequisites you must already satisfy for Gmail and Yahoo to render it.

⚙️ Visual DNS Generator

BIMI Record & DNS TXT Builder

Craft a fully compliant BIMI TXT record to publish on your DNS provider. Configure your selector, input your secure HTTPS SVG logo location, and optionally attach your Verified Mark Certificate (VMC).

Tool Overview: What It Does & Core Purpose

The **AutoSMTP BIMI Record Generator** simplifies the creation of error-free Brand Indicators for Message Identification DNS records. By prompting for required inputs—domain, selector, square SVG Tiny P/S asset location, and optional Verified Mark Certificate authority—it formats the exact string required by RFC specifications and provides the exact DNS subdomain host location (`default._bimi.domain.com`) for one-click publishing.

Key Advantages & Architectural Benefits

Advantage

**Syntax Accuracy Guarantee:** Eliminates missing semicolons, improper tag prefixes, and URL syntax faults that invalidate BIMI.

Advantage

**HTTPS Protocol Validation:** Enforces secure HTTPS asset delivery as mandated by mailbox provider security policies.

Advantage

**Dual-Mode Authority Support:** Generates valid records with or without VMC certificates for both strict enterprise and emerging senders.

Advantage

**Instant DNS Snippet Export:** Formats host and TXT values ready for Cloudflare, Route53, Namecheap, and cPanel DNS zones.

Email Marketing & Cold Outreach Integration

How This Tool Accelerates Email Campaigns & Deliverability

Deploying BIMI is the final frontier in corporate email authentication. High-volume sales and transactional operations that adopt BIMI notice significant reductions in phishing mimicry and measurable increases in subscriber trust. AutoSMTP’s managed infrastructure provisions DNS records with automated BIMI integration across all configured domains.

Frequently Asked Questions (FAQs)

What happens if I publish a BIMI record without a VMC? ▾

Inboxes like Yahoo Mail may display your logo based on internal sender reputation heuristics. However, Gmail will ignore BIMI records lacking a valid VMC issued by an authorized CA.

Does the SVG file need to be square? ▾

Yes. Mail clients render BIMI logos as circular or rounded square avatars. Your SVG must have a 1:1 aspect ratio (`viewBox=”0 0 100 100″`) and center the brand graphic to avoid clipping.

Can my SVG file be hosted on an AWS S3 bucket or CDN? ▾

Yes, provided the asset is served over HTTPS and responds with the header `Content-Type: image/svg+xml`.

How long after publishing does BIMI take to appear in inboxes? ▾

DNS propagation typically takes 15–60 minutes. Once propagated, mailbox providers take between 24 and 72 hours to verify DMARC history and cache the brand logo.

Enterprise Email Architecture
Need Automated High-Volume Sending Infrastructure?

Free tools help you audit and optimize individual elements, but sustained enterprise email delivery requires dedicated bare-metal infrastructure. AutoSMTP replaces fragile shared relays with private bare-metal PowerMTA and KumoMTA clusters configured automatically in 15 minutes.

Turnkey Dedicated Bare-Metal Clusters

Provisions fully licensed PowerMTA/KumoMTA clusters on enterprise bare-metal with flat predictable pricing and zero third-party markups.

Automated Gas-Pedal IP Warming

Monitors Google Postmaster spam ratios (<0.10%) and real-time deferrals across clean IPv4 subnets to scale daily send limits safely.

Native FBL & Socket Interceptors

RFC 5321 in-band 550 bounce suppression + automated Yahoo/Outlook CFL ingest to protect sender score automatically.

Fully Managed DNS & Auth

Pre-configured rDNS/PTR, SPF, 2048-bit DKIM, strict DMARC, and BIMI integration synchronized across your domain portfolio.

Deploy Your Dedicated Email Infrastructure Today

Stop risking your sender reputation on shared pools. Get dedicated IPv4 subnets, custom reverse DNS, and automated deliverability engineering.

Explore Dedicated MTA Clusters →

Key capabilities

  • l= logo URL + a= VMC authority builder
  • Selector support (default and custom)
  • DMARC prerequisite checklist
  • Paste-ready TXT output.

Frequently asked questions

What format must the BIMI logo be?

A square SVG in “tiny” profile (no scripts, external references, or raster fallbacks), served over HTTPS with a valid certificate.

How long until my logo appears?

After DNS propagation and provider re-crawls — typically days. Verify continuously with the BIMI Checker.

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