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dnsmigrator

ClouDNS BIND zone file

Export ClouDNS to a zone file.

15 record types move as they are. 3 things work differently at Zone file, and the preview shows exactly which of your records they affect.

Free preview. Read-only. Nothing changes until you apply.

What works differently

Generated from the same provider capability data the migration engine uses.

Moves as-is

  • A
  • AAAA
  • CNAME
  • MX
  • TXT
  • NS
  • SRV
  • CAA
  • PTR
  • DNAME
  • TLSA
  • SSHFP
  • DS
  • NAPTR
  • SPF

Alias records are converted

ClouDNS alias records become CNAMEs below the apex. At the apex they need static addresses, and the preview shows which ones.

Routing policies are flattened

Zone file has no routing policies. Weighted, geo and latency sets collapse into one set of answers, and failover keeps only the primary. Each one is flagged for review.

A typical ClouDNS zone at Zone file

Example records for example.com. Open any flagged row to read why it changed.

ClouDNS Zone file

  • ExactA@

    192.0.2.70

  • ExactAAAA@

    2001:db8::70

  • ExactMX@

    10 mx1.mail.example.net. +1

  • ExactTXT@

    "v=spf1 include:_spf.example.net -all"

  • ExactCAA@

    0 issue "letsencrypt.org"

  • ExactTXT_dmarc

    "v=DMARC1; p=reject; rua=mailto:dmarc@example.com"

  • ExactSRV_sip._tls

    100 1 443 sip.example.net.

  • ExactCNAMEwww

    example.com.

How the move works

  1. 1

    Connect ClouDNS

    Connect ClouDNS with read-only access (API user auth ID (or sub-user ID/name) + password).

  2. 2

    Connect Zone file

    Choose zone file as the destination. Nothing is written anywhere.

  3. 3

    Review the preview

    Check every record marked Review or Unsupported. Each one explains what changes and why.

  4. 4

    Download the zone file

    Download a normalized RFC 1035 zone file ready to import anywhere.

Good to know about ClouDNS

  • TTLs must be one of ClouDNS's fixed values (60, 300, 900, 1800, 3600, 21600 … 2592000); other TTLs are rounded up.
  • Web redirects (CLOUDNS_WR) are ClouDNS-only and are written as plain 301 redirects without frame options.
  • The API is rate limited to about 20 requests per second per IP, so large zones apply record by record and take a while.

Access we need: A read-only API sub-user with the zones delegated is enough for the preview; applying needs a read-and-write sub-user or a main API user.

Good to know about Zone file

  • Zone files can't express provider features like proxying, alias records or routing policies.

Access we need: No credentials. Everything stays in your browser until you choose to save it.

Questions

Will there be downtime moving from ClouDNS to Zone file?

Not if both providers serve the same answers during the switch. The records are copied to Zone file and verified before you change nameservers, so resolvers get the same answer from either side while caches expire.

Do I have to delete anything at ClouDNS?

No. We never write to ClouDNS. Keep the old zone for a week after cutover so you can switch back instantly if anything looks wrong.

What about DNSSEC?

If DNSSEC is on, remove the DS record at your registrar and wait for it to expire before switching nameservers. Then enable DNSSEC at Zone file and publish its new DS record. The cutover plan walks you through each step.

Related migrations

Ready to see your own zone?

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