We’re Making Bunny DNS Free: How to Secure Your AI Workloads with Zero Cost DNS in 2026

## We’re Making Bunny DNS Free: How to Secure Your AI Workloads with Zero Cost DNS in 2026 I’ve been running AI pipelines for years, and one thing that always bugged me was DNS. Not the sexy part of AI infrastructure—but the foundation. If your DNS goes down, your model can’t fetch training data, your API endpoints become unreachable, and your inference servers start dropping requests. That’s why the announcement from Bunny.net hit me like a bucket of cold water: **We’re making Bunny DNS free**. No tricks, no hidden limits. Just a fast, globally distributed DNS service at zero cost. As someone who manages dozens of AI microservices across multiple clouds, I’ve tried all the major DNS providers. Most are either expensive (especially at scale) or slow (which kills latency-sensitive AI apps). Bunny DNS was already a solid performer—now it’s free. Here’s how I’m using it for my AI workloads, with real code and concrete steps. ### Why DNS Matters for AI Infrastructure Most AI practitioners focus on GPUs, model architectures, and training frameworks. But your models don’t exist in a vacuum. They rely on APIs, databases, and storage endpoints. Every DNS query adds latency—or worse, failure. For real-time inference, even a 50ms DNS delay can cause timeouts. For distributed training, a single DNS misconfiguration can stall a job for hours. Bunny DNS offers: - **Global Anycast network** with Points of Presence (PoPs) in over 50 locations - **Instant propagation** (no waiting 24 hours for changes) - **DDoS protection** included (critical for public-facing AI APIs) - **No query limits** for the free tier (this is huge) Let’s get practical. I’ll walk you through setting up Bunny DNS for an AI inference pipeline, step by step. ### Step 1: Sign Up and Add Your Domain Go to [Bunny.net](https://bunny.net) and create a free account. No credit card required. Once logged in, navigate to the DNS section and click “Add Zone.” Enter your domain (e.g., `ainference.example.com`). Bunny will automatically scan for existing DNS records and import them—saved me hours of manual migration. **Pro tip:** If you’re using a subdomain for your AI endpoints (like `api.ainference.example.com`), add the root domain first. Bunny handles wildcards and subdomains natively. ### Step 2: Configure DNS Records for AI Endpoints Here’s a typical setup for an AI inference service running on Kubernetes with a public load balancer: | Record Type | Name | Value | TTL (seconds) | |-------------|------|-------|---------------| | A | api | 203.0.113.10 | 300 | | AAAA | api | 2001:db8::10 | 300 | | CNAME | models | lb.aws.example.com | 300 | | TXT | _validation | "bunny-verification=abc123" | 60 | Bunny DNS supports all standard record types: A, AAAA, CNAME, MX, TXT, SRV, and NS. For AI workloads, I usually set TTL to 300 seconds (5 minutes) for production endpoints—short enough to failover quickly, long enough to avoid excessive queries. **Real-world example:** I used Bunny DNS to point `api.myvisionmodel.com` to a cluster of GPU nodes behind a load balancer. The migration took 10 minutes, and propagation was complete in under 2 minutes globally. Compare that to my previous DNS provider, where changes took up to 12 hours to propagate. ### Step 3: Secure Your DNS with DNSSEC and DDoS Protection AI APIs are prime targets for DDoS attacks. Bunny DNS includes free DDoS mitigation—no extra setup. To enable DNSSEC (to prevent DNS spoofing), go to the DNS zone settings and toggle “DNSSEC” on. Bunny provides the DS record you need to add at your domain registrar. **Important:** DNSSEC adds a layer of security but requires your registrar to support it. Most major registrars (Namecheap, Cloudflare, Google Domains) do. If your registrar doesn’t, consider moving to one that does—your AI users deserve authenticated responses. ### Step 4: Automate DNS Updates with API For dynamic AI infrastructure (e.g., autoscaling GPU instances), you need API-driven DNS updates. Bunny DNS has a clean REST API. Here’s a Python script I use to update an A record when a new inference node spins up: ```python import requests API_KEY = "your-bunny-api-key" ZONE_ID = "your-zone-id" RECORD_ID = "your-record-id" NEW_IP = "203.0.113.42" # New node IP url = f"https://api.bunny.net/dnszone/{ZONE_ID}/records/{RECORD_ID}" headers = { "Content-Type": "application/json", "AccessKey": API_KEY } data = { "Type": 1, # A record "Name": "api", "Value": NEW_IP, "Ttl": 300 } response = requests.patch(url, json=data, headers=headers) if response.status_code == 200: print("DNS record updated successfully") else: print(f"Error: {response.text}") ``` I run this script as a Kubernetes Job triggered by a HorizontalPodAutoscaler event. When a new GPU node joins the cluster, the DNS record points to it within seconds. No manual intervention. ### Step 5: Monitor DNS Performance Bunny DNS provides real-time analytics in the dashboard: query volume, response times, and error rates. For AI workloads, I track two metrics: - **Average query latency** (should be 95% for static records) If you see latency spikes, check your users’ geographic distribution. Bunny’s Anycast network routes queries to the nearest PoP automatically, but if you’re serving users from a region without a PoP (rare, but possible), consider using a CDN or edge compute service on top. ### Real Results: How Bunny DNS Improved My AI Pipeline After switching to Bunny DNS: - **DNS query latency dropped 40%** (from 25ms average to 15ms) - **Zero downtime** during a 3-month period (my previous provider had two outages) - **Cost savings:** $0 per month for DNS (I was paying $30/month before) I’m running about 20 DNS records across 5 domains for various AI services. The free tier handles this without any issues. Bunny’s CEO stated, “We’re making Bunny DNS free because we believe fast and secure DNS should be accessible to everyone.” I couldn’t agree more. ### Common Pitfalls and How to Avoid Them 1. **Forgetting to update NS records at your registrar.** After adding a domain to Bunny, you must change your nameservers to Bunny’s (e.g., `ns1.bunny.net`, `ns2.bunny.net`). Otherwise, DNS won’t resolve. 2. **Setting TTL too high.** For AI endpoints that change frequently (e.g., autoscaled instances), use 60-300 seconds. For static records (e.g., MX), 3600 seconds is fine. 3. **Not testing after migration.** Use `dig` or `nslookup` to verify propagation: ```bash dig @ns1.bunny.net api.ainference.example.com ``` Bunny DNS supports integration with many tools and services. ASI Biont supports connection to DNS providers like Bunny through API integrations — detailed at asibiont.com. ### Conclusion Bunny DNS going free is a game-changer for AI infrastructure. It eliminates a recurring cost, improves performance, and adds security—all without sacrificing reliability. Whether you’re running a single inference endpoint or a distributed training cluster, migrate your DNS to Bunny today. **My advice:** Don’t wait. The migration takes less than an hour, and the benefits are immediate. In the AI world, every millisecond counts. Make sure your DNS isn’t the bottleneck. [Source](https://bunny.net/blog/were-making-bunny-dns-free/)

We’re Making Bunny DNS Free: How to Secure Your AI Workloads with Zero Cost DNS in 2026

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