Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
aa-fs.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 01:06:37 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
No priority data.
A / AAAA Records
- 66.228.34.8
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
rex.ns.cloudflare.com
adrian.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:spf.protection.outlook.com ip4:194.37.255.0/24 ip4:91.198.224.0/24 ip4:198.246.255.11/32 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- cw9c0kg2hyr69jb5t285jbdpsj3x3vmj
- duo_sso_verification=WFBqJpKqRmgPvsrj93VFN0Y7hGYNmOjy6jwsGnXgnYcr4haqYNTKHtfQ87uW1TX2
- knowbe4-site-verification=9a6bb5550d56ff09d60a5da7944099b9
- SPFv=spf1 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:spf.protection.outlook.com ip4:194.37.255.0/24 ip4:91.198.224.0/24 ip4:198.246.255.11/32 -all
- 0ed1fe018af626d6c7f3314f81a407073835c41ff5
- Foxit-domain-verification=2ea5ab03c695e01ae308a868fef0161e
- MS=ms14256372
- _g25f09p5sxghbwtbx3ow5i2u743oqbm
- _g5kezjomcuimslb6xw2l6d6n3w38bti
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