Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stout.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:43:11 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 20
A / AAAA Records
- 20.55.103.191 (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010329 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010329
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.240.154.251 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.exclaimer.net include:4408380.spf02.hubspotemail.net include:mail.zendesk.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ruf=mailto:[email protected],mailto:[email protected]; rua=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- SPFv=spf1 ip4:52.240.154.251 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.exclaimer.net include:4408380.spf02.hubspotemail.net include:mail.zendesk.com -all
- include:4408380.spf02.hubspotemail.net
- include:spf1.mycomplianceoffice.com
- include:spf2.mycomplianceoffice.com
- 9072829f-4833-47d1-8dbf-98897c6cd70f
- amazonses:N1rZsOj+BBbOIcACJdzXupsaoOnDsGuc8Qu9c/MZEwg=
- openai-domain-verification=dv-cFJT1gN6zFrNx2ri3YHAY44b
- anthropic-domain-verification-yyws3w=O9TF91l3WLVcJUbimoGO5xA5Q
Full email verification for stout.com
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