Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jamailsmith.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 14:18:46 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 172.67.146.83 (no PTR)
- 104.21.63.141 (no PTR)
- 2606:4700:3033::ac43:9253 (no PTR)
- 2606:4700:3034::6815:3f8d (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
noah.ns.cloudflare.com dns.cloudflare.com 2398712684 10000 2400 604800 1800
Primary NS (mname)
noah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398712684
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ruth.ns.cloudflare.com
noah.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:199.101.242.150 ip4:199.101.242.148 ip4:104.218.230.38 include:us._netblocks.mimecast.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=PVf6b1o44i0q7951V3IRisAmo7gmNUIWIV5FsK4ZCNA
- openai-domain-verification=dv-EKstVtni12ZXUMJCOyiYmWb0
- SPFv=spf1 mx ip4:199.101.242.150 ip4:199.101.242.148 ip4:104.218.230.38 include:us._netblocks.mimecast.com include:_spf.psm.knowbe4.com -all
- 0ed1fe018a10d25be5a6fd4a1ab734f76c51b064a2
- 8f31c2026982716afd88c5b85b1c21d9
- MS=ms83528116
- eVMynqNKRDQnbc4RQxZfLI4DbZaaiBcPZNnpRap7ICN4TwZooqZz/oWRiAvvo594ditXJe+grQp47sVkLIRxPw==
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