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Setting up DNS on IONOS (1&1)

Step-by-step instructions for connecting your IONOS (formerly 1&1) domain to WedSites.

Setting up DNS on IONOS (1&1)

Step-by-step instructions for connecting your IONOS (formerly 1&1) domain to WedSites.
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If you registered your domain with IONOS (also known as 1&1 IONOS or 1&1), follow these steps to add the DNS records needed to connect it to your WedSites wedding website.
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Before you start

Make sure you've added your domain to WedSites first. Go to Settings > General and enter your custom domain, then save. Then come back here to set up your DNS records.
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You'll need access to your IONOS account. Make sure you can log in and that you have permission to manage DNS for your domain.
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DNS records you need to add

You'll be adding these two records to your IONOS domain:
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Record Type

Host Name

Points to

TTL

A

(none/blank)

37.16.10.26

3600

CNAME

www

domains.wedsites.com

3600

Important: Which records you need depends on your domain. If you're using an apex domain (like yourwedding.com), add both records so that yourwedding.com and www.yourwedding.com both work. If you're using a subdomain (like wedding.yourwedding.com), add the CNAME record only — the A record would point your whole domain at WedSites, which isn't what you want.
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Step-by-step instructions

Step 1: Log in to IONOS

Go to ionos.com (or ionos.co.uk for UK) and log in to your account.
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Step 2: Navigate to domain settings

  1. Click on Domains & SSL in the top menu or dashboard

  2. Find your domain in the list

  3. Click the domain name or click the gear/settings icon next to it

  4. Click DNS or Edit DNS Settings

Step 3: Disable parking page or placeholder (if present)

IONOS often sets up a default parking page or "under construction" page.
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  1. Look for options like Website, Parking Page, or Placeholder

  2. If you see these enabled, disable or remove them

  3. This prevents conflicting A records

Step 4: Check for existing A records

Look at your DNS records and check for any existing A records for your root domain (shown as blank host or @ symbol).
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If you see existing A records for the root:
- You need to delete any A records that don't point to 37.16.10.26
- Having multiple A records causes your domain to only work sometimes
- Click Delete or the trash icon next to each conflicting record
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Common conflicting records to look for:
- IONOS parking page A records
- Old hosting A records
- Multiple A records with different values
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Step 5: Add the A record

Using a subdomain like wedding.yourwedding.com? Skip this step. Your domain only needs the CNAME record in the next step.
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  1. Click Add Record or Create New Record

  2. Select A or A Record as the record type

  3. Fill in the fields:

    • Host Name: leave blank (or enter @ if required)

    • Points to: 37.16.10.26

    • TTL: 3600 (1 hour) or leave as default

  4. Click Save or Add

Note: IONOS uses "Points to" instead of "Value" for the IP address field.
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Step 6: Add the CNAME record

  1. Click Add Record or Create New Record again

  2. Select CNAME or CNAME Record as the record type

  3. Fill in the fields:

    • Host Name: www (or your subdomain name if different)

    • Points to: domains.wedsites.com

    • TTL: 3600 or leave as default

  4. Click Save or Add

Using a custom subdomain? If you're using something like wedding.yourwedding.com instead of www, replace "www" with "wedding" in the Host Name field. This is the only record you need for a subdomain.
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Important: Make sure there's no trailing dot after domains.wedsites.com unless IONOS requires it (most don't).
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Step 7: Save changes

IONOS usually saves changes immediately when you add each record. Verify that both records appear in your DNS records list.
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After adding the records

Wait for DNS propagation. IONOS DNS changes typically take effect within 30 minutes to 2 hours, but can take up to 24-48 hours in some cases.
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SSL certificate is automatic. Once your domain connects, we'll automatically add an SSL certificate so your site works with https. This happens within a few hours of your domain connecting.
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Test your domain. After waiting, try visiting your domain in a browser. You should see your wedding website!
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Troubleshooting

Domain not working after a few hours?
- Double-check that you entered the DNS records exactly as shown above
- Make sure you deleted any conflicting A records
- Verify you disabled any parking page or placeholder website
- Check that you entered your domain in WedSites under Settings > General
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Still seeing IONOS parking page or "under construction"?
- Go back to domain settings and disable the parking page feature
- Delete all old A records for the root domain
- Wait for DNS propagation and try clearing your browser cache
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Getting "Host Name already exists" error?
- This means there's already a record with that Host Name
- Find and delete the existing record before adding the new one
- Or edit the existing record to change the Points to value
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CNAME record conflicts?
- Make sure your CNAME is for "www" (subdomain) not blank (root)
- You can't have a CNAME and A record with the same Host Name
- Verify there are no other CNAME records for "www"
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Need to verify DNS setup?
- Go to dnschecker.org
- Enter your domain and select "A" record type
- You should see 37.16.10.26 in the results
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IONOS-specific notes

IONOS vs 1&1: IONOS was formerly known as 1&1 Internet. If you signed up before the rebrand, your account may still show as "1&1" but the interface is the same.
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MyWebsite or Website Builder: If you're using IONOS's built-in website builder (MyWebsite), you'll need to disconnect it before adding custom DNS records. Go to your package details and disable or cancel the MyWebsite feature.
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Nameserver mode: IONOS has different DNS modes. Make sure you're using "IONOS nameservers" (default) and not "External nameservers" for these instructions to work.
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IPv6 (AAAA records): IONOS may prompt you to add IPv6 (AAAA) records. You can skip this — the A record is all you need for WedSites.
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Mail service: If you use IONOS for email, your MX records are separate and won't be affected by adding A and CNAME records for your website.
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Related articles

Need help?

If you're stuck or something isn't working, reach out to our support team and we'll help you get your domain connected!
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