thomaslumberco.com

Valid Email Server
Domain Lookup › thomaslumberco.com

Domain Overview

DNS: ✓ 12h ago Checker: ✓ 12h ago
thomaslumberco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 13:40:11 UTC · ↺ Refresh

MX Hostnames

  • thomaslumberco-com.mail.protection.outlook.com

MX Priorities

  • thomaslumberco-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 208.69.124.180 ↩ thomaslumberco.com

Mail Server IPs

  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._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

3 records
  • DKIMv=DKIM1;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClfBDFw4sx3PSEV6U/e0vO8emhHZKmk4TYUa1K+eI1N8oVOv5HQi9hE5jqkgvLXCzGSrjc5XNNMsQGJ+2nYGpQsdDMvEQnf0ft4Z0kS3TzOxbzZeJHqQuQ8GY568tBOVk7bbgAw39NhYqzmxOcfoVtCffxk2qf3JbmEwjl2x0NeQIDAQAB
  • mscid=vtyrTwlrRPfBh7jWwkC0bHFgrklqt26KKHc+DFxW3xafHG39V/NzYy8qK2DUi/qxkFK3BsqH+ERGEduHE7jwkA==
  • SPFv=spf1 include:spf.protection.outlook.com -all
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