Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kastbuild.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 07:49:52 UTC · ↺ Refresh
MX Hostnames
- kastbuild-com.mail.protection.outlook.com
MX Priorities
- kastbuild-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns73.domaincontrol.com dns.jomax.net 2025122300 28800 7200 604800 600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025122300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns74.domaincontrol.com
ns73.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:64.135.37.28/32 include:spf.protection.outlook.com include:isqftmail.com include:_spf.salesforce.com include:punchlistmanager.net include:SendGrid.net include:spf-us.emailsignatures365.com include:_spf.intacct.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- docusign=a66d9c2e-0266-4ea1-9ddc-b56e26196e48
- YUrUNk8SnypFjcbHyfIe8iHc9jeQ+0qkXIUyxsnnEJKQ8lTERJA/qHVRhprDQ2Cq4d+GAE7KaVr+rFbuJRO1xA==
- intacct-esk=FAF1C54E5A92C6B2E0533606690AB0E9
- MS=ms84808514
- SPFv=spf1 a ip4:64.135.37.28/32 include:spf.protection.outlook.com include:isqftmail.com include:_spf.salesforce.com include:punchlistmanager.net include:SendGrid.net include:spf-us.emailsignatures365.com include:_spf.intacct.com -all
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