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Testimonials
I was impressed at how quickly they were able to handle new tasks at a high quality and value.
I was impressed with the amount of professionalism, communication, and speed of delivery.
They have been great at adjusting and improving as we have worked together.
We were impressed with their commitment to the project.
You guys are really a bunch of talented geniuses and it's a pleasure and a privilege to work with you.
We got to meet Michael from MeteorOps through one of our employees. We needed DevOps help and guidance and Michael and the team provided all of it from the very beginning. They did everything from dev support to infrastructure design and configuration to helping during Production incidents like any one of our own employees. They actually became an integral part of our organization which says a lot about their personal attitude and dedication.
Good consultants execute on task and deliver as planned. Better consultants overdeliver on their tasks. Great consultants become full technology partners and provide expertise beyond their scope.
I am happy to call MeteorOps my technology partners as they overdelivered, provide high-level expertise and I recommend their services as a very happy customer.
They are very knowledgeable in their area of expertise.
Thanks to MeteorOps, infrastructure changes have been completed without any errors. They provide excellent ideas, manage tasks efficiently, and deliver on time. They communicate through virtual meetings, email, and a messaging app. Overall, their experience in Kubernetes and AWS is impressive.
Working with MeteorOps was exactly the solution we looked for. We met a professional, involved, problem solving DevOps team, that gave us an impact in a short term period.
From my experience, working with MeteorOps brings high value to any company at almost any stage. They are uncompromising professionals, who achieve their goal no matter what.
Nguyen is a champ. He's fast and has great communication. Well done!
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How it works?
ExternalDNS is a Kubernetes add-on that automates DNS record management by watching cluster resources (such as Services and Ingresses) and reconciling DNS entries to match the current state of workloads. It is commonly used by platform and DevOps teams to reduce manual DNS changes, prevent stale records, and keep service routing accurate as applications scale or move across environments.
It typically runs inside the cluster as a controller and integrates with DNS providers so that updates happen as part of normal deployment workflows. This helps align service discovery with Kubernetes-native operations and supports consistent routing for internal and public endpoints.
- Creates and updates DNS records based on Kubernetes Service and Ingress changes
- Helps keep DNS synchronized during rollouts, scaling events, and failovers
- Supports multi-environment patterns (e.g., dev/stage/prod) with predictable naming
- Reduces operational risk by minimizing manual DNS edits and drift
Networking, in the context of computer science and information technology, refers to the practice of connecting computers, servers, mainframes, network devices, peripherals, or other devices to exchange data and share resources. It encompasses both the physical (hardware) and logical (software) aspects of connections between devices. The primary goal of networking is to enable the sharing of data and resources, thereby improving efficiency and accessibility within and across computing environments. Networks can vary in size, ranging from simple local area networks (LANs) connecting a few devices in a single office, to complex wide area networks (WANs) spanning multiple geographic locations around the globe. Networking technologies and protocols facilitate communication and data transfer across these connections, adhering to standardized rules to ensure reliable and secure information exchange.
ExternalDNS is a Kubernetes controller that watches resources like Services and Ingresses and reconciles DNS records to match the current cluster state. It is used to reduce manual DNS operations and keep service discovery accurate as endpoints change during deployments, scaling, and failover.
- Automates DNS record creation, updates, and cleanup from Kubernetes objects, reducing ticket-driven DNS workflows.
- Continuously reconciles desired state to the DNS provider, limiting drift and stale records after rollouts and environment changes.
- Supports many DNS providers and APIs, enabling consistent DNS automation patterns across cloud, hybrid, and multi-cluster setups.
- Improves reliability during endpoint churn by updating records as load balancer addresses and ingress endpoints change.
- Enables safer operation using domain filters and zone filters, restricting writes to approved zones and naming scopes.
- Uses TXT ownership records to prevent collisions when multiple controllers or clusters manage records in the same zone.
- Works with common ingress controllers and service types, keeping hostnames aligned with the active routing layer.
- Fits GitOps and declarative workflows by making DNS an output of versioned Kubernetes configuration and reviewable manifests.
- Can leverage provider-specific routing capabilities where supported, such as weighted records or health-based policies for gradual cutovers.
ExternalDNS is a strong fit when DNS must track frequently changing Kubernetes ingress and service endpoints, or when multiple clusters share DNS zones and require predictable ownership boundaries. Key trade-offs include careful RBAC and cloud IAM scoping to avoid unintended record changes, plus provider-specific limitations on record types and advanced routing features.
For supported providers and configuration details, see the ExternalDNS documentation.
Our experience with ExternalDNS helped us build practical patterns, runbooks, and delivery tooling for automating DNS record management from Kubernetes resources while keeping routing accurate and governed across environments.
Some of the things we did include:
- Implemented ExternalDNS in multi-cluster Kubernetes platforms to reconcile DNS records from Services and Ingresses with consistent naming conventions and ownership rules.
- Integrated ExternalDNS with Amazon Route 53 and validated zone delegation, IAM permissions, and least-privilege policies for safe record updates.
- Standardized ingress and certificate workflows by aligning ExternalDNS annotations with cert-manager to reduce manual steps and prevent mismatches between DNS and TLS.
- Hardened deployments with scoped domain filters, TXT registry ownership, and controlled record types to avoid accidental takeovers and noisy updates in shared DNS zones.
- Built GitOps-friendly configuration and rollout processes using Helm and Argo CD, including environment overlays and promotion between dev/stage/prod.
- Created migration plans from manually managed DNS and legacy scripts to ExternalDNS, including cutover sequencing, rollback procedures, and verification checks.
- Implemented observability by wiring logs and metrics into Prometheus and adding alerts for reconciliation failures, API throttling, and unexpected record churn.
- Optimized reliability by tuning reconciliation intervals, handling provider API limits, and validating behavior during node drains, ingress controller restarts, and cluster upgrades.
- Supported internal developer platforms by documenting self-service patterns (approved annotations, templates, and guardrails) so teams could safely request DNS changes through Kubernetes.
This delivery work helped us accumulate significant knowledge across multiple ExternalDNS use-cases, from single-cluster setups to governed multi-environment platforms, enabling us to deliver high-quality ExternalDNS implementations that stay reliable as your infrastructure changes.
Some of the things we can help you do with ExternalDNS include:
- Assess your current DNS automation and service discovery setup and deliver a prioritized report covering reliability, security, and operational risks.
- Define an ExternalDNS adoption roadmap across clusters and environments, including ownership, rollout milestones, and migration steps from manual DNS processes.
- Implement and standardize ExternalDNS deployments for Services and Ingresses with provider integrations such as AWS Route 53, Google Cloud DNS, and Azure DNS.
- Establish guardrails and compliance controls using RBAC, namespace scoping, domain filters, TXT ownership, and least-privilege cloud IAM to prevent unsafe record changes.
- Automate configuration and lifecycle management with Infrastructure as Code and GitOps workflows using Argo CD for consistent, auditable rollouts.
- Optimize performance and cost by tuning sync intervals, record policies, and provider rate limits to reduce API calls and DNS churn.
- Design resilient DNS strategies for multi-cluster and failover scenarios so routing stays aligned with real-time endpoint health and ingress state.
- Instrument, troubleshoot, and operationalize ExternalDNS with actionable logs, metrics, and alerts integrated into your observability stack.
- Enable teams with hands-on training, runbooks, and day-2 operational playbooks for safe changes, incident response, and ongoing governance.
