esri.co

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-28 10:43:24 UTC · ↺ Refresh

MX Hostnames

  • esri-co.mail.protection.outlook.com

MX Priorities

  • esri-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.102.61.110 (no PTR)

Mail Server IPs

  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:200.3.247.50 ip4:200.3.246.19 ip4:200.3.246.166 ip4:35.162.220.176 ip4:200.3.246.124 ip4:13.108.0.0/14 ip4:200.3.246.33 ip4:161.18.119.103 ip4:20.232.149.12 ip4:52.149.155.116 ip4:23.96.125.171 ip4:200.3.246.158 ip4:200.3.247.158 ip4:200.3.247.33 include:spf.protection.outlook.com include:aspmx.pardot.com include:spf.emailsignatures365.com include:spf.mandrillapp.com include:_spf.salesforce.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict 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

5 records
  • pardot_338911_*=ca8aa280c133bf90310451077f20705cbd5f3fd7ffdee4375b1bd4955693f1c9
  • adobe-idp-site-verification=b3dad57367d7e6a32360a5e71ac9a3bb289a1b613f4069da7b07b72b9d2fe2f6
  • docusign=e4bc4fa5-0d9f-4d66-bebb-91ef43aa773f
  • mandrill_verify.0-5fCAFH1Peaqi5_c7lQfw
  • SPFv=spf1 ip4:200.3.247.50 ip4:200.3.246.19 ip4:200.3.246.166 ip4:35.162.220.176 ip4:200.3.246.124 ip4:13.108.0.0/14 ip4:200.3.246.33 ip4:161.18.119.103 ip4:20.232.149.12 ip4:52.149.155.116 ip4:23.96.125.171 ip4:200.3.246.158 ip4:200.3.247.158 ip4:200.3.247.33 include:spf.protection.outlook.com include:aspmx.pardot.com include:spf.emailsignatures365.com include:spf.mandrillapp.com include:_spf.salesforce.com -all
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