gregherbst.com

Valid Email Server
Domain Lookup › gregherbst.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 12:41:54 UTC · ↺ Refresh

MX Hostnames

  • gregherbst-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 15.197.148.33 ↩ a2aa9ff50de748dbe.awsglobalaccelerator.com
  • 3.33.130.190 ↩ a2aa9ff50de748dbe.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns03.domaincontrol.com dns.jomax.net 2026010600 28800 7200 604800 3600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns03.domaincontrol.com
ns04.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -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
  • SPFv=spf1 include:secureserver.net -all
  • NETORGFT10632439.onmicrosoft.com
  • protonmail-verification=e50b26a5d96640378dc1920cd574b49a60db48df
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