casuarinas.edu.pe

Valid Email Server
Domain Lookup › casuarinas.edu.pe

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
casuarinas.edu.pe
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 03:13:54 UTC · ↺ Refresh

MX Hostnames

  • ALT1.ASPMX.L.GOOGLE.COM
  • ASPMX5.GOOGLEMAIL.COM
  • ASPMX3.GOOGLEMAIL.COM
  • ASPMX.L.GOOGLE.COM
  • ASPMX2.GOOGLEMAIL.COM
  • ALT2.ASPMX.L.GOOGLE.COM
  • mxb.mailgun.org
  • mxa.mailgun.org
  • ASPMX4.GOOGLEMAIL.COM

MX Priorities

  • aspmx3.googlemail.com: 5
  • aspmx5.googlemail.com: 7
  • aspmx4.googlemail.com: 6
  • mxb.mailgun.org: 10
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 2
  • alt2.aspmx.l.google.com: 3
  • aspmx2.googlemail.com: 4
  • mxa.mailgun.org: 10

A / AAAA Records

  • 50.31.176.166 ↩ priva-140.spindns.com

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 34.149.236.64 ↩ 64.236.149.34.bc.googleusercontent.com
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net

SOA Record

Raw SOA ns.rcp.net.pe operador.rcp.pe 2026031200 7200 300 604800 7200
Primary NS (mname)
ns.rcp.net.pe
Admin Email (rname)
operador@rcp.pe
Serial
2026031200
Refresh
7200s
Retry
300s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

ns2.rcp.net.pe
ns.rcp.net.pe

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mailgun.org +ip4:67.222.136.47 +ip4:67.222.136.48 +ip4:67.222.136.49 +ip4:67.222.136.50 +ip4:67.222.136.235 +ip4:67.222.136.236 +ip4:67.222.136.237 +ip4:67.222.136.238 +ip4:64.225.58.164 ~all
📊 DNS lookups: 2/10
~ 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

2 records
  • MS=ms10003941
  • SPFv=spf1 include:_spf.google.com include:mailgun.org +ip4:67.222.136.47 +ip4:67.222.136.48 +ip4:67.222.136.49 +ip4:67.222.136.50 +ip4:67.222.136.235 +ip4:67.222.136.236 +ip4:67.222.136.237 +ip4:67.222.136.238 +ip4:64.225.58.164 ~all
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