upao.edu.pe

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-29 10:40:30 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 191.98.191.118

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.179.26 ↩ pd-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA ns.upao.edu.pe hostmaster.upao.edu.pe 314 900 600 86400 3600
Primary NS (mname)
ns.upao.edu.pe
Admin Email (rname)
hostmaster@upao.edu.pe
Serial
314
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns.upao.edu.pe
ns3.telmex.net.pe
ns1.telmex.net.pe
ns2.telmex.net.pe

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:200.48.200.147 include:_spf.aldeamo.com ~all include:spf1.masivapp.com include:_spf.us.sendclean.net
📊 DNS lookups: 4/10

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 4 found
default._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • s1.domainkey.u32313878.wl129.sendgrid.net
  • MS=F167DCDA5E09D48776D37F4C684E86B484D8C00C
  • SPFv=spf1 include:_spf.google.com ip4:200.48.200.147 include:_spf.aldeamo.com ~all include:spf1.masivapp.com include:_spf.us.sendclean.net
  • google-site-verification=VyMR1wBDnwKo__SrkAgj2yvxOYnkHWUvdsZ8QcbblvY
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