ctbatl.com

Valid Email Server
Domain Lookup › ctbatl.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ctbatl.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 11:02:38 UTC · ↺ Refresh

MX Hostnames

  • mx1-us1.ppe-hosted.com
  • mx2-us1.ppe-hosted.com

MX Priorities

  • mx2-us1.ppe-hosted.com: 20
  • mx1-us1.ppe-hosted.com: 10

A / AAAA Records

  • 208.91.197.27 (no PTR)

Mail Server IPs

  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com

SOA Record

Raw SOA ns51.worldnic.com namehost.worldnic.com 126012204 10800 3600 604800 3600
Primary NS (mname)
ns51.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012204
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns52.worldnic.com
ns51.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 a include:spfhost.messageprovider.com a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:_custspf.sageworks.com include:esa1.harlandfs.iphmx.com include:esa2.harlandfs.iphmx.com include:esa3.harlandfs.iphmx.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict 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

✗ 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

7 records
  • duo_sso_verification=ev61QwofMDtF3RMtiTYUqROcUZJefMkUvYcYYYygkpgGX72huMjaePKw3zWpMsha
  • a7biuaf4lvikjhnobq0uomvvn1
  • SPFv=spf1 a include:spfhost.messageprovider.com a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:_custspf.sageworks.com include:esa1.harlandfs.iphmx.com include:esa2.harlandfs.iphmx.com include:esa3.harlandfs.iphmx.com -all
  • include:_spf.psm.knowbe4.com
  • apple-domain-verification=VCEqvY2PzNvDranj
  • ppe-a353444b3cc028e9791bd27ecf7ea9ed81ef798c
  • o7q5siruqkgqn7bq5pk19jn9ji
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