Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chcsno.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 16:19:00 UTC · ↺ Refresh
MX Hostnames
- chcsno-org.mail.protection.outlook.com
MX Priorities
- chcsno-org.mail.protection.outlook.com: 30
A / AAAA Records
- 67.225.136.96 ↩ hipaaserver.customerdomain.com
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-37.azure-dns.com azuredns-hostmaster.microsoft.com 2023012301 3600 300 2419200 300
Primary NS (mname)
ns1-37.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2023012301
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-37.azure-dns.org
ns4-37.azure-dns.info
ns1-37.azure-dns.com
ns2-37.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.intacct.com include:_spf.psm.knowbe4.com ip4:159.183.183.155 ip4:107.1.5.68 ip4:68.171.172.82 ip4:135.84.68.123 ip4:52.250.104.21 ip4:20.230.159.62 ip4:67.225.136.96 include:amazonses.com include:spf.salesforce.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.intacct.com include:_spf.psm.knowbe4.com ip4:159.183.183.155 ip4:107.1.5.68 ip4:68.171.172.82 ip4:135.84.68.123 ip4:52.250.104.21 ip4:20.230.159.62 ip4:67.225.136.96 include:amazonses.com include:spf.salesforce.com -all
- qham8hu4knd2ni9iq3nmrpdunb
- l05itlblca2qci8tglckus6i5e
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