Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smsm.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 21:18:10 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 2
- us-smtp-inbound-1.mimecast.com: 1
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1-03.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-03.azure-dns.info
ns1-03.azure-dns.com
ns2-03.azure-dns.net
ns3-03.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.redatatech.com include:_spf.psm.knowbe4.com include:spf.happyfox.com include:spf.protection.outlook.com include:spf-us.emailsignatures365.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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 include:us._netblocks.mimecast.com include:spf.protection.redatatech.com include:_spf.psm.knowbe4.com include:spf.happyfox.com include:spf.protection.outlook.com include:spf-us.emailsignatures365.com ~all
- adobe-idp-site-verification=a0b79a48-d4ec-4574-9dc2-82a18ba9dd4b
- VQRiSRn8nU4Z6Js/ayXX0+M0Z/wtdrV8eLaKR172OmT07xxu51HWrm6gvJkEHLeeVsR9HY1jSw0+GOnIcF3g0Q==
- kn46of9qta4kurinpgqrkneo9f
- include:emailcc.com -all
- 50v63qagjumuge5an8gcqu54h0
- include:spf-us.emailsignatures365.com -all
- MS=ms47076265
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