Add pydata.it domain zone to global infrastructure

[patrick91]

Summary

• Add Route53 zone for pydata.it domain
• Add Google site verification TXT record
• Add MX record for Gmail activation (smtp.google.com)

Test plan

• Run terraform plan on global infrastructure to verify changes
• Verify domain verification completes in Google Workspace

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Project	Deployment	Actions	Updated (UTC)
pycon	Ready	Preview	Feb 6, 2026 11:24pm

[claude]

This PR adds an MX record for Gmail activation on the pydata.it domain. The configuration is minimal for initial setup.

Issue Found - Incorrect MX Record:

The MX record at infrastructure/global/domains/pydata_it/records.tf:13 uses 'smtp.google.com.' which is incorrect for Gmail/Google Workspace. This is an SMTP server hostname, not a mail exchange server.

For Google Workspace/Gmail, the correct MX records should follow the pattern used in pycon.it (see pycon_it/records.tf:10-14):

• Primary: '1 aspmx.l.google.com.'
• Alternates: '5 alt1.aspmx.l.google.com.', '5 alt2.aspmx.l.google.com.', etc.

Impact: Email delivery will fail because 'smtp.google.com' is not a valid MX server. Mail sent to @pydata.it addresses will bounce.

Fix Required: Replace the MX record with proper Google Workspace MX servers. The standard configuration is:

records = [
"1 aspmx.l.google.com.",
"5 alt1.aspmx.l.google.com.",
"5 alt2.aspmx.l.google.com.",
"10 aspmx2.googlemail.com.",
"10 aspmx3.googlemail.com."
]

Reference: pycon_it/records.tf:9-15