esguerra.com

Valid Email Server
Domain Lookup › esguerra.com

Domain Overview

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

Checked via [email protected] · 2026-04-03 12:09:58 UTC · ↺ Refresh

MX Hostnames

  • esguerra-com.mail.protection.outlook.com

MX Priorities

  • esguerra-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.21.8.178 (no PTR)
  • 172.67.157.204 (no PTR)
  • 2606:4700:3034::6815:8b2
  • 2606:4700:3031::ac43:9dcc

Mail Server IPs

  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA brady.ns.cloudflare.com dns.cloudflare.com 2399963133 10000 2400 604800 1800
Primary NS (mname)
brady.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399963133
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

brady.ns.cloudflare.com
laylah.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:205.219.118.0/23 ip4:138.68.190.194 ip4:190.145.22.46 ip4:190.145.22.42 ip4:167.71.166.252 include:spf.protection.outlook.com include:servers.mcsv.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

1 record
  • SPFv=spf1 ip4:205.219.118.0/23 ip4:138.68.190.194 ip4:190.145.22.46 ip4:190.145.22.42 ip4:167.71.166.252 include:spf.protection.outlook.com include:servers.mcsv.net -all
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