Connection check
verified live · 28h ago
email-deliverability
Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.
Tools
16
GitHub stars
—
Installs / wk
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Licence
—
Transport
streamable-http
Last checked
28h ago
Tools & capabilities
16 toolsRead from the running server on 28h ago.
bimi_check
read-only
domain_name*
Check if a domain has a valid BIMI (Brand Indicators for Message Identification) DNS record. BIMI allows brands to display their logo next to authenticated emails in supporting ema… Check if a domain has a valid BIMI (Brand Indicators for Message Identification) DNS record. BIMI allows brands to display their logo next to authenticated emails in supporting email clients.
blacklist_check
read-only
domain_name*
Check if a domain or IP address is listed in popular email blacklists (DNSBLs). Being blacklisted can severely impact email deliverability. Check if a domain or IP address is listed in popular email blacklists (DNSBLs). Being blacklisted can severely impact email deliverability.
cname_lookup
read-only
domain_name*
Look up CNAME (Canonical Name) records for a domain. Shows where a hostname aliases to. Look up CNAME (Canonical Name) records for a domain. Shows where a hostname aliases to.
dkim_check
read-only
domain_name*dkim_selector*
Check if a domain has a valid DKIM (DomainKeys Identified Mail) DNS record for a given selector. DKIM allows the receiver to verify that an email was sent by the domain owner. Check if a domain has a valid DKIM (DomainKeys Identified Mail) DNS record for a given selector. DKIM allows the receiver to verify that an email was sent by the domain owner.
dmarc_check
read-only
domain_name*
Check if a domain has a valid DMARC (Domain-based Message Authentication, Reporting & Conformance) DNS record. DMARC tells receiving servers what to do with emails that fail SPF or… Check if a domain has a valid DMARC (Domain-based Message Authentication, Reporting & Conformance) DNS record. DMARC tells receiving servers what to do with emails that fail SPF or DKIM checks.
dmarc_generate
email*domain_name*dmarc_policy*
Generate a DMARC DNS record for a domain. Returns the record name, value, and type ready to be added to DNS. Generate a DMARC DNS record for a domain. Returns the record name, value, and type ready to be added to DNS.
dns_lookup
read-only
domain_name*
Look up all DNS records for a domain in one query. Returns A, AAAA, CNAME, MX, NS, TXT, and SOA records. Look up all DNS records for a domain in one query. Returns A, AAAA, CNAME, MX, NS, TXT, and SOA records.
imap_check
password*username*imap_host*imap_port*imap_encryption*
Test an IMAP server connection by attempting to connect and authenticate. Use this to verify email receiving configuration. Test an IMAP server connection by attempting to connect and authenticate. Use this to verify email receiving configuration.
imap_finder
read-only
imap_provider_name*
Look up IMAP server settings (host, port, encryption) for a given email provider. Use this to find the correct IMAP configuration for services like Gmail, Outlook, Yahoo, etc. Look up IMAP server settings (host, port, encryption) for a given email provider. Use this to find the correct IMAP configuration for services like Gmail, Outlook, Yahoo, etc.
mx_lookup
read-only
domain_name*
Look up MX (Mail Exchanger) records for a domain. Returns the mail servers and their priorities. Look up MX (Mail Exchanger) records for a domain. Returns the mail servers and their priorities.
ptr_lookup
read-only
ip_address*
Reverse DNS lookup. Find the hostname associated with an IP address. A valid PTR record is important for email sending reputation. Reverse DNS lookup. Find the hostname associated with an IP address. A valid PTR record is important for email sending reputation.
smtp_check
host*port*password*to_emailusername*encryption*
+1
Test an SMTP server connection by attempting to connect and authenticate. If from_email and to_email are provided, the tool may attempt to send a test email. Only provide these fie… Test an SMTP server connection by attempting to connect and authenticate. If from_email and to_email are provided, the tool may attempt to send a test email. Only provide these fields if you are authorized to send from the account and intentionally want to test full sending capability.
smtp_finder
read-only
provider_name*
Look up SMTP server settings (host, port, encryption) for a given email provider. Use this to find the correct SMTP configuration for services like Gmail, Outlook, SendGrid, etc. Look up SMTP server settings (host, port, encryption) for a given email provider. Use this to find the correct SMTP configuration for services like Gmail, Outlook, SendGrid, etc.
spf_check
read-only
domain_name*
Check if a domain has a valid SPF (Sender Policy Framework) DNS record. SPF specifies which mail servers are authorized to send email on behalf of a domain. Check if a domain has a valid SPF (Sender Policy Framework) DNS record. SPF specifies which mail servers are authorized to send email on behalf of a domain.
spf_generate
provider*domain_name*hard_fail_boolean*
Generate an SPF DNS record for a domain based on the email provider being used. Returns the record name, value, and type ready to be added to DNS. Generate an SPF DNS record for a domain based on the email provider being used. Returns the record name, value, and type ready to be added to DNS.
txt_lookup
read-only
domain_name*