ifrj.edu.br

Valid Email Server
Domain Lookup › ifrj.edu.br

Domain Overview

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

Checked via [email protected] · 2026-03-18 21:58:17 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx2.googlemail.com
  • aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 10
  • aspmx2.googlemail.com: 20
  • aspmx3.googlemail.com: 20
  • aspmx.l.google.com: 0

A / AAAA Records

  • 200.20.221.181 (no PTR)

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c25::1b ↩ yuiadtq-in-f27.1e100.net

SOA Record

Raw SOA ns-1333.awsdns-38.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1333.awsdns-38.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1333.awsdns-38.org
ns-1650.awsdns-14.co.uk
ns-295.awsdns-36.com
ns-577.awsdns-08.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a ptr a:ifrj.edu.br a:docente.ifrj.edu.br ip4:200.20.221.0/24 ip4:200.156.73.0/24 include:_spf.google.com include:mxsspf.sendpulse.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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

5 records
  • QKu1Zb1Fk/196aO1ieg3xdagS03yCl+AWBflvC7Lmsc=
  • _globalsign-domain-verification=wfOwqVRE9mKr6qMMIu25COqSLYpo6qfHdwHfBCw_l1
  • v=spf ip4:200.156.73.131 -all
  • SPFv=spf1 a ptr a:ifrj.edu.br a:docente.ifrj.edu.br ip4:200.20.221.0/24 ip4:200.156.73.0/24 include:_spf.google.com include:mxsspf.sendpulse.com ~all
  • MS=D9CA847B66B21BE6476607B8D80E84D3D9001018
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