Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heartflow.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:19:26 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11
Mail Server IPs
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
SOA Record
Raw SOA
ns63.domaincontrol.com dns.jomax.net 2026030300 28800 7200 604800 3600
Primary NS (mname)
ns63.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns64.domaincontrol.com
ns63.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.qemailserver.com include:_spf.google.com include:amazonses.com include:_spf.salesforce.com include:9179125.spf04.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=5; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 5% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
20 records- apple-domain-verification=wqwlNVvFgcU6vQuL
- amazonses:HA0ocnFyr8CEhTkFDmkIyuTNGpVYwhQk7PtQCtCdXC0=
- google-site-verification=XHTYXmjcgSTMzoRnAS_3ALgzfaU-S3cGNbL46wEzVsQ
- _dmarc v=DMARC1; p=reject; pct=5; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1:d:s
- google-site-verification=0CSPa08MfkaJMCii2b2B1qSHZ6Qstn-A8EGHsDZZOpI
- docker-verification=37928d96-c96a-4269-8802-3b3a8bf92cd5
- arcules-domain-verification=DEZVLeMq637nPIMnPHQTxLbKaDVrvFZIyIdvWS4Fo7k
- v=verifydomain MS=9171495
- google-site-verification=8xiNYCBM3pcixlZetnhQRy-Ki7_p6yEWilnh5kBsmq4
- atlassian-domain-verification=47xbYBUtCbjCYTT0xk/igzcrA3jh9XBLUetkqDjVHVI5yYlP9XKNOqsYry3S6Y4m
- security.heartflow.com
- facebook-domain-verification=4aayui0gkryhdg6j5coa530lj6shxy
- jamf-site-verification=3-9O6MdtnMYxgPvb1_m0EQ
- SPFv=spf1 include:_spf.qemailserver.com include:_spf.google.com include:amazonses.com include:_spf.salesforce.com include:9179125.spf04.hubspotemail.net -all
- adobe-idp-site-verification=1c57536d31a58a0416db5c8703a829cae34dd7b4a6883b5119b9f91716742114
- have-i-been-pwned-verification=c5fa1cdf2008a7f4963da4c1bf4ec087
- docusign=335d21e4-104d-48f1-bba2-c08bee7015af
- MYAJUMELS
- directfedauthurl=https://heartflow.okta.com/app/heartflow_verint_1/exk11vr74b0JPh5DX0x8/sso/saml
- mixpanel-domain-verify=7743016f-27f6-4c4c-9f61-3ca5c25cf74e
Full email verification for heartflow.com
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