Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
threebrothersmechanical.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 04:24:03 UTC · ↺ Refresh
MX Hostnames
- threebrothersmechanical-com.mail.protection.outlook.com
MX Priorities
- threebrothersmechanical-com.mail.protection.outlook.com: 0
A / AAAA Records
- 45.60.98.115 (no PTR)
- 45.60.22.115 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns6349.hostgator.com root.gator3175.hostgator.com 2026031904 86400 7200 3600000 86400
Primary NS (mname)
ns6349.hostgator.com
Admin Email (rname)
root@gator3175.hostgator.com
Serial
2026031904
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns6349.hostgator.com
ns6350.hostgator.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 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
2 records- <06/10/2023>
- globalsign-domain-verification=6A46A63E90C37B446BE26D2A62129FB4
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