foss.com

Valid Email Server
Domain Lookup › foss.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
foss.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 18:41:46 UTC · ↺ Refresh

MX Hostnames

  • foss-com.mail.protection.outlook.com

MX Priorities

  • foss-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.71.191.155 ↩ 155.191.71.198.host.secureserver.net

Mail Server IPs

  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1722.awsdns-23.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1722.awsdns-23.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1233.awsdns-26.org
ns-1722.awsdns-23.co.uk
ns-398.awsdns-49.com
ns-646.awsdns-16.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:208.185.229.45 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

5 records
  • smartsheet-site-validation=2Otxdcwis01P3Flvvs4b5MEYQsbEOuFt
  • SPFv=spf1 ip4:208.185.229.45 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:spf.protection.outlook.com -all
  • apple-domain-verification=2m5r7Bt03TXTfeRf
  • duo_sso_verification=6lGXJNmKZduLlhj2pXjqdpak308FMgRalvBJ0ML4JD6crfKAMYrDkeGfPQPNbmFN
  • k4knnq87833o6h2geoolg579dr
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