Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cls.health
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 20:12:14 UTC · ↺ Refresh
MX Hostnames
- cls-health.mail.protection.outlook.com
MX Priorities
- cls-health.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns53.domaincontrol.com dns.jomax.net 2026030600 28800 7200 604800 600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns54.domaincontrol.com
ns53.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:123456.spf03.hubspotemail.net include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; aspf=s; adkim=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
9 records- SPFv=spf1 include:spf.protection.outlook.com include:123456.spf03.hubspotemail.net include:_spf.google.com -all
- hubspot-developer-verification=NGNkMWNmOWUtY2Q4Zi00YzE4LTk2N2MtMTA5YWFiOTM5NThl
- apple-domain-verification=21aWmJFUpl12haaO
- asv=d7dcb7cc7d87ef42ea82e51c3b23fdf8
- google-site-verification=LF7A35ud9KfaE_C9W56s9esxR-9CtmYcZA7FEkxJO_o
- include:48588317.spf07.hubspotemail.net
- cisco-ci-domain-verification=4f343bbf2d1cc9f08379ffbd5072a1cf0c6bd872370d6abaec8df6a863de6d9b
- teamviewer-sso-verification=5b33ae63702544849aceef9997ba3cf1
- google-site-verification=pnwf95W9-1jGM1L6o66AR0iErHOzuT2V2gRPv37BoDM
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