petrofer.com.br

Valid Email Server
Domain Lookup › petrofer.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
petrofer.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 19:34:31 UTC · ↺ Refresh

MX Hostnames

  • mx-in01.eu.retarus.com
  • mx-in02.eu.retarus.com

MX Priorities

  • mx-in02.eu.retarus.com: 10
  • mx-in01.eu.retarus.com: 10

A / AAAA Records

  • 83.169.24.37 ↩ vwp4045.webpack.hosteurope.de

Mail Server IPs

  • 94.199.89.39 ↩ mx-in02.eu.retarus.com
  • 94.199.92.130 ↩ mx-in01.eu.retarus.com

SOA Record

Raw SOA a.sec.dns.br hostmaster.registro.br 2026081000 345600 900 604800 900
Primary NS (mname)
a.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026081000
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

a.sec.dns.br
c.sec.dns.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:83.169.24.37/32 ip4:176.95.90.132/32 include:_spf.retarus.com include:spf.protection.outlook.com -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

✗ 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

2 records
  • SPFv=spf1 ip4:83.169.24.37/32 ip4:176.95.90.132/32 include:_spf.retarus.com include:spf.protection.outlook.com -all
  • bFwuDUu9OS9rH8nuHf1SESAvcWE13miPiTndCKiC4QyMh3C3y0/jaqZy6DAe/r99pd3b5g+3sR2P6+hGr+D/iQ==
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