greatac.com

Valid Email Server
Domain Lookup › greatac.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
greatac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 12:56:41 UTC · ↺ Refresh

MX Hostnames

  • greatac-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 98.129.229.21 (no PTR)

Mail Server IPs

  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA dns101.register.com root.register.com 126011615 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126011615
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns101.register.com
dns102.register.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:dispatch-us.ppe-hosted.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com ip4:68.110.137.237 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

4 records
  • trhp6p39c8lla8vojmcequdmag
  • MS=ms84306106
  • SPFv=spf1 include:spf.protection.outlook.com include:dispatch-us.ppe-hosted.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com ip4:68.110.137.237 ~all
  • 9tdt0iojl8v673olhj3o2ggc2h
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