poli.ufrj.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
poli.ufrj.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 10:37:24 UTC · ↺ Refresh

MX Hostnames

  • leopard.poli.ufrj.br
  • ASPMX5.GOOGLEMAIL.COM
  • ASPMX2.GOOGLEMAIL.COM
  • ASPMX.L.GOOGLE.COM
  • ASPMX3.GOOGLEMAIL.COM
  • ALT2.ASPMX.L.GOOGLE.COM
  • ASPMX4.GOOGLEMAIL.COM
  • ALT1.ASPMX.L.GOOGLE.COM

MX Priorities

  • aspmx4.googlemail.com: 10
  • aspmx5.googlemail.com: 10
  • alt2.aspmx.l.google.com: 5
  • aspmx3.googlemail.com: 10
  • aspmx.l.google.com: 0
  • aspmx2.googlemail.com: 10
  • leopard.poli.ufrj.br: 50
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 34.121.196.7 ↩ 7.196.121.34.bc.googleusercontent.com

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 142.251.111.26 ↩ bk-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net

SOA Record

Raw SOA ns1.poli.ufrj.br sti.poli.ufrj.br 2026030402 300 30 1209600 14400
Primary NS (mname)
ns1.poli.ufrj.br
Admin Email (rname)
sti@poli.ufrj.br
Serial
2026030402
Refresh
300s
Retry
30s
Expire
1209600s
Minimum TTL
14400s

Nameservers (NS)

nsx.ufrj.br
ns2.poli.ufrj.br
ns-cloud-c2.googledomains.com
ns-cloud-c1.googledomains.com
ns1.poli.ufrj.br
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com
ns.ufrj.br

SPF Record

✓ Soft Fail (~all)
v=spf1 include:aspmx.googlemail.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

1 record
  • SPFv=spf1 include:aspmx.googlemail.com ~all
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