intercom.com
Live email deliverability and anti-spoofing audit. Every value below was read from public DNS at the moment this page was generated.
96/100 — This domain is configured correctly for both sending and receiving. Accepts mail · Protected against spoofing · Hosted by Google Workspace
Findings
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mta sts
No MTA-STS policy, so inbound mail can be downgraded to an unencrypted connection.
Fix: Publish _mta-sts.intercom.com and host a policy at https://mta-sts.intercom.com/.well-known/mta-sts.txt.
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mx
Mail is handled by Google Workspace.
10 aspmx.l.google.com, 20 alt1.aspmx.l.google.com, 30 alt2.aspmx.l.google.com, 40 aspmx2.googlemail.com, 50 aspmx3.googlemail.com
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spf
SPF is published and enforcing.
v=spf1 include:_spf.google.com include:servers.mcsv.net include:spf.mandrillapp.com include:mktomail.com include:amazonses.com ip4:156.70.5.128 -all
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dmarc
DMARC is enforcing with p=quarantine.
v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_agg@vali.email,mailto:7cf61c84@mxtoolbox.dmarc-report.com; ruf=mailto:7cf61c84@forensics.dmarc-report.com,mailto:dmarc-reports@intercom.io;
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dkim
DKIM keys found for 3 selectors.
google._domainkey, k1._domainkey, mandrill._domainkey
Records
| MX | 10 aspmx.l.google.com20 alt1.aspmx.l.google.com30 alt2.aspmx.l.google.com40 aspmx2.googlemail.com50 aspmx3.googlemail.com |
|---|---|
| SPF | v=spf1 include:_spf.google.com include:servers.mcsv.net include:spf.mandrillapp.com include:mktomail.com include:amazonses.com ip4:156.70.5.128 -all |
| DMARC | v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_agg@vali.email,mailto:7cf61c84@mxtoolbox.dmarc-report.com; ruf=mailto:7cf61c84@forensics.dmarc-report.com,mailto:dmarc-reports@intercom.io; |
| DKIM selectors | google, k1, mandrill |
| MTA-STS | not published |
| TLS-RPT | not published |
| BIMI | not published |
| DNSSEC | not validating |
Same data, as JSON, in one request. No SMTP probing, no stored recipient data, 250 free calls a month.
curl "https://mailgrade.dev/v1/domain?domain=intercom.com"
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/v1/verify/batch for lists.