internationalschools.com.br

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-21 12:37:18 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 5
  • alt1.aspmx.l.google.com: 5
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 138.197.231.214

Mail Server IPs

  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net

SOA Record

Raw SOA ns1.digitalocean.com hostmaster.internationalschools.com.br 1769989095 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@internationalschools.com.br
Serial
1769989095
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns3.digitalocean.com
ns2.digitalocean.com
ns1.digitalocean.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mxsspf.sendpulse.com +a +mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 include:mxsspf.sendpulse.com +a +mx ~all
  • google-site-verification=MopiXpM3tQoRY8cUBFhNpcx5wjWz3v-cXdfv0fJO-ZM
  • p=MHwwDQYJKoZIhvcNAQEBBQADawAwaAJhAKNhQTY2Cdup1hDLjsPqiH/A1tl6x7MPaEYSsN7HimDeVW5jRQIQvJKjW9GsYSsJNY75W327G3uUXq2YdwJgOtw9k96obdrcbS8AVNOio1GkeC0I74/rf+wSwm9k1q7yrQIDAQAB
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