Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
catalystdp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:48:18 UTC · ↺ Refresh
MX Hostnames
- catalystdp-com.mail.protection.outlook.com
MX Priorities
- catalystdp-com.mail.protection.outlook.com: 9
A / AAAA Records
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144
- 198.185.159.145
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns53.domaincontrol.com dns.jomax.net 2024080200 28800 7200 604800 3600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024080200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns54.domaincontrol.com
ns53.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:secureserver.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- 15a46898b469e3423d9524078b78e897392871567866ff3e97edb8738ab56723
- SPFv=spf1 mx include:secureserver.net include:spf.protection.outlook.com -all
- v=verifydomain MS=7641149
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