tff-inc.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tff-inc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 06:24:03 UTC · ↺ Refresh

MX Hostnames

  • tffinc-com0i.mail.protection.outlook.com

MX Priorities

  • tffinc-com0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 192.241.174.67 ↩ proxy1.linknowmedia.com

Mail Server IPs

  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns.rackspace.com hostmaster.rackspace.com 1743460879 3600 300 1814400 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
hostmaster@rackspace.com
Serial
1743460879
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s

Nameservers (NS)

ns2.rackspace.com
ns.rackspace.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:spfa.cpmails.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • SPFv=spf1 mx include:spfa.cpmails.com include:spf.protection.outlook.com ~all
  • MS=ms50485816
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