Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
tristartrust.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-27 19:59:17 UTC · ↺ Refresh
MX Hostnames
- gw3058.fortimail.com
MX Priorities
- gw3058.fortimail.com: 5
A / AAAA Records
- 159.203.7.162 ↩ 512676.cloudwaysapps.com
Mail Server IPs
- 173.243.133.58 ↩ gw3058.fortimail.com
SOA Record
Raw SOA
dns1.netsource-one.net postmaster.netsource-one.net 2002121621 3600 600 1209600 3600
Primary NS (mname)
dns1.netsource-one.net
Admin Email (rname)
postmaster@netsource-one.net
Serial
2002121621
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns3.netsource-one.net
dns2.netsource-one.net
dns1.netsource-one.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.nsoit.com include:spf.zixsmbhosted.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:spfhost.messageprovider.com -all
📊 DNS lookups: 5/10
✓ 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
7 records- duo_sso_verification=3ZDDDKByVQKBSBl2rpObgH2uY6BwKyuyK7eYmkHsqAZB71m1lzBS1Cxofjgyy9pz
- SPFv=spf1 include:_spf.nsoit.com include:spf.zixsmbhosted.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:spfhost.messageprovider.com -all
- Foxit-domain-verification=c695bc49ebc0ee1511a46b1c01134259
- IPdxnsU4VHIm839XdSLIZAZ67TRBiaaIA7NFfR+OiWAvKnEH76b7Xu22VrcEr+IqfttkpikDZXGqhpPkGJgtCg==
- MS=ms16056713
- linkedin-site-verification=c450ad7e-7dbe-44c9-a358-90929d54834a
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