DNS support
Zone management, mail authentication and resolution troubleshooting across registrars and managed DNS providers.
Who this is for: Anyone whose domain will not resolve, whose mail is landing in spam, or who is moving DNS between providers.
What we support
Records that resolve, mail that lands.
Included
Work covered under this service, whether as a one-off request or on retainer.
- Zone setup, record management and migration between providers
- SPF, DKIM and DMARC configuration and alignment
- Propagation, resolver, caching and reverse DNS troubleshooting
- SSL certificate issuance, renewal and chain problems
- Split-horizon and internal DNS for private networks
Common problems
If any of these sound familiar, this is the right service to raise a request against.
Domain does not resolve, or resolves differently from different networks
Mail lands in spam, or is rejected outright by the recipient
Site works for some visitors and not others after a DNS change
Certificate errors in the browser after a migration
A record was changed and nobody knows by whom
What troubleshooting includes
Evidence we gather before proposing a change. What is available varies by environment.
- —Authoritative versus resolver answers, and TTL behaviour
- —Full record set including CNAME chains and conflicting entries
- —Mail headers, SPF and DKIM verification results, DMARC reports
- —Certificate chain, expiry and hostname coverage
How an engagement runs
The same path every support request follows, regardless of which service it lands under.
Submit issue
You describe the problem, the environment and the impact.
Initial assessment
We review the environment and whatever evidence is available.
Investigation
An engineer investigates the affected infrastructure.
Remediation
Appropriate changes are made, with a rollback path where possible.
Verification
System behaviour is validated after the change.
Resolution and notes
You receive the outcome and the relevant notes.
Raise a request against dns support.
Describe the environment and the symptom. Pricing is confirmed in writing before any work starts.
Get technical supportRelated services
Problems rarely stay in one layer. These are the services most often opened alongside dns support.