firsttennessee.com

Valid Email Server
Domain Lookup › firsttennessee.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
firsttennessee.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 04:03:57 UTC · ↺ Refresh

MX Hostnames

  • mxb-00053e01.gslb.pphosted.com
  • mxa-00053e01.gslb.pphosted.com

MX Priorities

  • mxb-00053e01.gslb.pphosted.com: 10
  • mxa-00053e01.gslb.pphosted.com: 10

A / AAAA Records

  • 23.49.248.28 ↩ a23-49-248-28.deploy.static.akamaitechnologies.com
  • 23.49.248.21 ↩ a23-49-248-21.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 148.163.134.45 ↩ mx0a-00053e01.pphosted.com
  • 148.163.138.45 ↩ mx0b-00053e01.pphosted.com

SOA Record

Raw SOA 3dns1.firsthorizon.com tech-support.ftbonline.com 2026032602 900 3600 604800 3600
Primary NS (mname)
3dns1.firsthorizon.com
Admin Email (rname)
tech-support@ftbonline.com
Serial
2026032602
Refresh
900s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

use2.akam.net
use3.akam.net
ns1-198.akam.net
ns1-238.akam.net
usc4.akam.net
use1.akam.net
usc3.akam.net
eur6.akam.net

SPF Record

✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

8 records
  • google-site-verification=MkyUI63Vw3fdWlOZH1cNMoIFtK8B5_tsWaBkVKIgk-0
  • _tex2hu9tl0ttp0er33baqnctdoi00m2
  • ciscocidomainverification=16711ab1427b4e8e5eaa1ccc11eccb59a4ee99099d7c3f36c38fbd1e3d90b3
  • webexdomainverification.=9dc02f51-66a8-49a9-88f6-e549fc521c88
  • MS=ms84460731
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
  • MS=65783DB38B18B51A8129F24F4CF7C8829A11B620
  • docusign=d9ffdeea-c121-461b-82f7-cec56bf6627f
Full email verification for firsttennessee.com

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