chino.k12.ca.us

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

Domain Overview

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

Checked via [email protected] · 2026-03-18 05:59:21 UTC · ↺ Refresh

MX Hostnames

  • chino-k12-ca-us.mail.protection.outlook.com

MX Priorities

  • chino-k12-ca-us.mail.protection.outlook.com: 0

A / AAAA Records

  • 54.221.139.169 ↩ ec2-54-221-139-169.compute-1.amazonaws.com
  • 18.233.124.95 ↩ ec2-18-233-124-95.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 2025030402 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2025030402
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:k12insightllc.com ~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

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

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

All TXT Records

9 records
  • google-site-verification=Q_ZmkusXqZPbw1Gylb_xf6eNfef3nomJEoBPmaQaC8I
  • WIphsUhqkkxB13sFww1u/+6aIeNSd4QjMptBxbPKDTgHZ2mgdx7cPXt9T2Ur1uAfxZfY9ADis+XcUByL7i9bRw==
  • apple-domain-verification=gD9Ezfkcx7odOISv
  • cisco-ci-domain-verification=2643d5479606d4f54a0935e660cfeef8ab05e137cd193e1b79ea9c0c5b46b8d1
  • openai-domain-verification=dv-3rR41n2yVbH3QfDdGUbl3IoS
  • SPFv=spf1 include:spf.protection.outlook.com include:k12insightllc.com ~all
  • MS=ms31961620
  • BmjgFMzd+lC9zn+oAKGFFl5Cbabm0uzAdFGodxU682xayOvssDGWspJAov8K2PAU06lZnwADiD/hn4FbCElpIw==
  • google-site-verification=aLe-rHjPJFOZi8hDmmYvuasYJeO1E8UBZV4usdisSqc
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