colegiodeitajuba.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
colegiodeitajuba.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 11:59:32 UTC · ↺ Refresh

MX Hostnames

  • aspmx2.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx4.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx5.googlemail.com
  • aspmx3.googlemail.com

MX Priorities

  • aspmx3.googlemail.com: 30
  • aspmx4.googlemail.com: 30
  • aspmx5.googlemail.com: 30
  • aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 20
  • aspmx2.googlemail.com: 30

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA dublin.projesom.com.br dns.projesom.net 2025052100 10000 2400 604800 3600
Primary NS (mname)
dublin.projesom.com.br
Admin Email (rname)
dns@projesom.net
Serial
2025052100
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dublin.projesom.com.br
belfast.projesom.com.br

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for colegiodeitajuba.com.br

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits