iq.usp.br

Valid Email Server
Domain Lookup › iq.usp.br

Domain Overview

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

Checked via [email protected] · 2026-03-21 01:09:30 UTC · ↺ Refresh

MX Hostnames

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

A / AAAA Records

  • 143.107.52.80 ↩ www.iq.usp.br

Mail Server IPs

  • 64.233.180.26 ↩ on-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA berilio.iq.usp.br root.iq.usp.br 2026022603 43200 7200 3600000 86400
Primary NS (mname)
berilio.iq.usp.br
Admin Email (rname)
root@iq.usp.br
Serial
2026022603
Refresh
43200s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

berilio.iq.usp.br
b.dns.usp.br
a.dns.usp.br
c.dns.usp.br

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:143.107.145.244/28 ip4:200.144.160.0/19 ip4:143.107.52.0/24 ip4:143.107.52.86 a:www2.iq.usp.br a:hidrogenio.iq.usp.br a:sistema.iq.usp.br a:www.iq.usp.br a:www3.iq.usp.br ~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

3 records
  • SPFv=spf1 include:_spf.google.com ip4:143.107.145.244/28 ip4:200.144.160.0/19 ip4:143.107.52.0/24 ip4:143.107.52.86 a:www2.iq.usp.br a:hidrogenio.iq.usp.br a:sistema.iq.usp.br a:www.iq.usp.br a:www3.iq.usp.br ~all
  • google-site-verification=OEJTvVELJmeI6ykqGhYs7aVDgL0p8rn7e4cgkQmBg4U
  • google-site-verification=kVpn05NVONw-at4VOHHDN22XATzNNz9bg3ZBBUxbhY8
Full email verification for iq.usp.br

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