ifgoiano.edu.br

Valid Email Server
Domain Lookup › ifgoiano.edu.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ifgoiano.edu.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 09:10:36 UTC · ↺ Refresh

MX Hostnames

  • ALT1.ASPMX.L.GOOGLE.COM
  • ASPMX3.GOOGLEMAIL.COM
  • ASPMX.L.GOOGLE.COM
  • ALT2.ASPMX.L.GOOGLE.COM
  • ASPMX2.GOOGLEMAIL.COM

MX Priorities

  • aspmx.l.google.com: 1
  • aspmx3.googlemail.com: 10
  • alt2.aspmx.l.google.com: 5
  • alt1.aspmx.l.google.com: 5
  • aspmx2.googlemail.com: 10

A / AAAA Records

  • 200.18.168.100 ↩ suapdev.ifgoiano.edu.br
  • 177.223.42.228 ↩ 177-223-42-228.ifgoiano.edu.br
  • 2001:12f0:c06:161::100

Mail Server IPs

  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns1.ifgoiano.edu.br root.ifgoiano.edu.br 2026033102 3600 3600 2419200 3600
Primary NS (mname)
ns1.ifgoiano.edu.br
Admin Email (rname)
root@ifgoiano.edu.br
Serial
2026033102
Refresh
3600s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns3.ifgoiano.edu.br
ns4.ifgoiano.edu.br
ns1.ifgoiano.edu.br
ns2.ifgoiano.edu.br

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com ip4:200.18.168.55 ip4:177.223.42.232 ip6:2001:12f0:c06:161::55 -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
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

5 records
  • _globalsign-domain-verification=mvTgrSr6ENOxcryf98G3aU9Qn6MNSbuF3kRBnEfvmn
  • M5QZ8X57HRVV59R148PWSFJ561YU80Q4XEN3OD6Q
  • SPFv=spf1 include:_spf.google.com ip4:200.18.168.55 ip4:177.223.42.232 ip6:2001:12f0:c06:161::55 -all
  • google-site-verification=1sjom4oFOulDTwNu5qUNHPmfRY7zMBdn5a_7LMgx_Wo
  • google-site-verification=tV92tlUtTqWOj4vhKdRXHyupq52XTfGlYJ5Uwp6BSww
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