Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alstonco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:01:20 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 6
- us-smtp-inbound-1.mimecast.com: 5
A / AAAA Records
- 192.124.249.189 ↩ cloudproxy10189.sucuri.net
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.panattoni.com hostmaster.panattoni.com 20110517 300 300 300 300
Primary NS (mname)
ns1.panattoni.com
Admin Email (rname)
hostmaster@panattoni.com
Serial
20110517
Refresh
300s
Retry
300s
Expire
300s
Minimum TTL
300s
Nameservers (NS)
ns2.panattoni.com
ns1.panattoni.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:208.1.180.135/32 a include:us._netblocks.mimecast.com include:spf.myconnectwise.net include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=50; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
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
4 records- knowbe4-site-verification=3456e3b68509369447c8c52497b15a08
- MS=ms78786677
- SPFv=spf1 ip4:208.1.180.135/32 a include:us._netblocks.mimecast.com include:spf.myconnectwise.net include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com ~all
- docusign=56319c8a-fc5a-43de-8aaf-443f14186672
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