rialto.k12.ca.us

Valid Email Server
Domain Lookup › rialto.k12.ca.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rialto.k12.ca.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 15:35:31 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.17.71.73

Mail Server IPs

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

SOA Record

Raw SOA ns1-03.azure-dns.com azuredns-hostmaster.microsoft.com 2024101500 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2024101500
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com
ns2-03.azure-dns.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

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

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

6 records
  • google-site-verification=95ZWzkBqmLUi6htgqwhlDyIy9Kceq3Vmyv5c_LS9y2c
  • MS=2F2996D187D6A7DA5DA29CC312A322266E8FAFF8
  • apple-domain-verification=AnOWBGR2wMXYhRbK
  • adobe-idp-site-verification=4a8e4152548846cd0a94a50511e211989cb32286f13395d52ff8c85e70135898
  • "v=spf1 a:spamfilter.redlandsusd.net ~all"
  • 9vjbjaf5v2t5pheak4i6gs7v2f
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