cefetmg.br

Valid Email Server
Domain Lookup › cefetmg.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cefetmg.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 14:33:07 UTC · ↺ Refresh

MX Hostnames

  • mta-03.cefetmg.br
  • mta-01.cefetmg.br
  • mta-02.cefetmg.br

MX Priorities

  • mta-02.cefetmg.br: 5
  • mta-03.cefetmg.br: 5
  • mta-01.cefetmg.br: 5

A / AAAA Records

  • 200.131.37.111 ↩ vm-wp-app-principal.infrati.cefetmg.br

Mail Server IPs

  • 200.131.38.89 ↩ vm-mta-02.infrati.cefetmg.br
  • 200.131.38.88 ↩ vm-mta-03.infrati.cefetmg.br
  • 200.131.38.90 ↩ vm-mta-01.infrati.cefetmg.br

SOA Record

Raw SOA ns-1.cefetmg.br infra-ti.cefetmg.br 2026032002 3600 600 86400 3600
Primary NS (mname)
ns-1.cefetmg.br
Admin Email (rname)
infra-ti@cefetmg.br
Serial
2026032002
Refresh
3600s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns3.cefetmg.br
ns-1.cefetmg.br
ns-2.cefetmg.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:200.131.38.93/32 ip4:200.131.38.95/32 ip4:200.131.38.94/32 ip4:200.131.38.91/32 ip4:200.131.38.82/32 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; pct=100; fo=1; adkim=s; aspf=s; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

5 records
  • MS=563B336434D03E227E5ACFD26B57C78838B69058
  • google-site-verification=MvG3w0Z5LX8gOWOPrnPEmfRJnqG7m4QV6imwpWRxHqU
  • google-site-verification=Kuvlq1EVAPFSl3UsPAoU04CYV1XP1L5iqcDX_aObFL0
  • SPFv=spf1 ip4:200.131.38.93/32 ip4:200.131.38.95/32 ip4:200.131.38.94/32 ip4:200.131.38.91/32 ip4:200.131.38.82/32 -all
  • _globalsign-domain-verification=Ne5I15GIh9rNwHIHMXMcSxiBV9F27YyiGY0YNFvGho
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