Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jschwartzconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 14:35:06 UTC · ↺ Refresh
MX Hostnames
- jschwartzconstruction-com.mail.protection.outlook.com
MX Priorities
- jschwartzconstruction-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.22.145.238 ↩ ec2-52-22-145-238.compute-1.amazonaws.com
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dreamhost.com hostmaster.dreamhost.com 2023062900 15217 600 1814400 300
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2023062900
Refresh
15217s
Retry
600s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
ns3.dreamhost.com
ns2.dreamhost.com
ns1.dreamhost.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms40720627
- SPFv=spf1 include:spf.protection.outlook.com -all
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