grebertaxadvisors.com

Valid Email Server
Domain Lookup › grebertaxadvisors.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 19:03:30 UTC · ↺ Refresh

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MX Hostnames

  • grebertaxadvisors-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 52.5.206.218 ↩ ec2-52-5-206-218.compute-1.amazonaws.com
  • 3.225.142.148 ↩ ec2-3-225-142-148.compute-1.amazonaws.com
  • 3.220.225.62

Mail Server IPs

  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1300.awsdns-34.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1300.awsdns-34.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1300.awsdns-34.org
ns-1635.awsdns-12.co.uk
ns-354.awsdns-44.com
ns-536.awsdns-03.net

SPF Record

✓ Strict (-all)
v=spf1 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

✗ 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

3 records
  • google-site-verification=Gm6zN5n2xFhUHOkyuvAGLVwaQVMNMRhmvyqANFVz_9Q
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • v=verifydomain MS=2248942
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