Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buildtsc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 12:14:44 UTC · ↺ Refresh
MX Hostnames
- buildtsc-com.mail.protection.outlook.com
MX Priorities
- buildtsc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.214.204.237 ↩ server.arthurelliott.com
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns53.domaincontrol.com dns.jomax.net 2025021000 28800 7200 604800 3600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025021000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns54.domaincontrol.com
ns53.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:162.214.204.237 +include:spf.protection.outlook.com +include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 +ip4:162.214.204.237 +include:spf.protection.outlook.com +include:spf.emailsignatures365.com -all
- apple-domain-verification=s7HMeE9L7O9UqEs4
- MS=ms95586517
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