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IMAP SRV Record Lookup (_imap._tcp)
x402
IMAP SRV Record Lookup (_imap._tcp) is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).
Resolves _imap._tcp SRV DNS records for a domain via Cloudflare DoH, returning priority, weight, port, and target host for IMAP service discovery.
Price / call$0.01
Success—
StatusUnknown
How this service works
IMAP service discovery (_imap._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's imap service lives without guessing hosts. $0.01 per lookup.
Output
Returns SRV record data for _imap._tcp.<domain>, including one or more records each with priority (integer), weight (integer), port (integer), and target hostname — exactly what an email client needs to locate the domain's IMAP server without guessing common hostnames.
Example use cases
Email client auto-configuration
“I'm setting up an email client and need to auto-discover the IMAP server details for fastmail.com — can you pull the _imap._tcp SRV record so I get the correct host and port?”
Mail infrastructure audit
“I'm auditing the email setup for acme.com — can you check their _imap._tcp SRV record and tell me what priority, weight, port, and target host are published in DNS?”
Verify IMAP service migration
“We just migrated our mail servers for company.org — can you look up the _imap._tcp SRV record to confirm the new IMAP host and port are showing up correctly in DNS?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/srv/imap-tcp?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically discover a domain's IMAP server configuration directly from DNS rather than guessing common hostnames like mail.domain.com or imap.domain.com. Ideal for email client auto-configuration, mail infrastructure audits, or validating that SRV records were correctly published after a mail server migration. Prefer this over MX record lookups when specifically needing IMAP (TCP port-level) service discovery per RFC 6186.
Side effects
- Domain has no _imap._tcp SRV record — returns empty answer section
- Invalid or malformed domain name — DNS query fails
- Domain does not exist (NXDOMAIN) — no records returned
- Cloudflare DoH upstream timeout or error — service unavailable
- Network or payment failure — x402 payment not processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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