esler.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
esler.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 17:28:29 UTC · ↺ Refresh

MX Hostnames

  • esler-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 35.186.173.79 ↩ 79.173.186.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:_spf.ultipro.com include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • d97nhhbpdioctdg9a3qnugq47i
  • facebook-domain-verification=u6rmlqz6hvv273vrabj5qrff2sshmk
  • SPFv=spf1 mx include:spf.protection.outlook.com include:_spf.ultipro.com include:spf-us.emailsignatures365.com -all
  • "wGxHCYgVYaff3IRw68gehC84yGMgEttoz69/zovUSH0IcpVoYkPzyRcb3pWW2OiOYdnVQs+uTxCzfnfugM+B2A=="
  • "MS=ms52812645"
  • "MS=ms88597002"
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