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dnsmigrator

Google Cloud DNS Huawei Cloud DNS

Migrate DNS from Cloud DNS to Huawei Cloud.

8 record types move as they are. 3 things work differently at Huawei Cloud, 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

Routing policies are flattened

Huawei Cloud 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.

TTLs below 1s are raised

Huawei Cloud's minimum TTL is 1 seconds. Shorter TTLs are raised to 1s and shown as translated.

A typical Cloud DNS zone at Huawei Cloud

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

Cloud DNS Huawei Cloud

  • ExactA@

    192.0.2.40

  • 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.

  • ReviewAeu

    192.0.2.41 +1

    Geo routing isn't available at the destination. All 2 answers are served together as simple round-robin.

  • ExactCNAMEwww

    example.com.

How the move works

  1. 1

    Connect Cloud DNS

    Connect Cloud DNS with read-only access (Service account key (JSON)).

  2. 2

    Connect Huawei Cloud

    Connect Huawei Cloud (IAM access key (AK) + secret key (SK)). Write access is only used when you apply.

  3. 3

    Review the preview

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

  4. 4

    Apply to Huawei Cloud

    We snapshot the Huawei Cloud zone, write in batches, and leave Cloud DNS untouched.

  5. 5

    Verify

    We query Huawei Cloud's own nameservers for every record and compare the answers before you switch.

  6. 6

    Switch nameservers

    Lower TTLs a day or two ahead, remove any DS record if DNSSEC is on, then point the domain at the new nameservers at your registrar.

Good to know about Cloud DNS

  • Routing policies (weighted round robin, geolocation, failover) don't carry over to most providers.
  • Apex CNAMEs are not allowed.

Access we need: roles/dns.reader for the preview, roles/dns.admin to apply.

Good to know about Huawei Cloud

  • Only public zones are migrated; private zones and alias records pointing at Huawei Cloud resources are skipped.
  • Record sets on ISP or regional resolution lines are kept separately; weighted duplicates on the default line are merged into one record set.
  • Changes are accepted asynchronously and can show as pending for a few seconds.

Access we need: DNS ReadOnlyAccess for the preview; to apply, a custom policy with dns:zone:list, dns:zone:get and dns:recordset:create/update/delete (dns:zone:create to create zones).

Questions

Will there be downtime moving from Cloud DNS to Huawei Cloud?

Not if both providers serve the same answers during the switch. The records are copied to Huawei Cloud 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 Cloud DNS?

No. We never write to Cloud DNS. 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 Huawei Cloud 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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