erwinguth.com.br

Valid Email Server
Domain Lookup › erwinguth.com.br

Domain Overview

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

Checked via [email protected] · 2026-04-04 13:08:37 UTC · ↺ Refresh

MX Hostnames

  • erwinguth-com-br.mail.protection.outlook.com

MX Priorities

  • erwinguth-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.38.94.115 ↩ mocha3031-web1.mochahost.com

Mail Server IPs

  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com

SOA Record

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

Nameservers (NS)

ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com

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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • mscid=EWjpj60ILxGexkcc/vY1PaRvfcpujpSHvy7J6IaLCav7nQp0KxvhrZHhTP41LNfhCdSTmqjC4E9pXomDhWNfJg==
Full email verification for erwinguth.com.br

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits