Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
rbrooksmechanical.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 07:20:09 UTC · ↺ Refresh
MX Hostnames
- rbrooksmechanical-com.mail.protection.outlook.com
MX Priorities
- rbrooksmechanical-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.224.10.110 ↩ ec2-34-224-10-110.compute-1.amazonaws.com
- 52.11.37.152 ↩ ec2-52-11-37-152.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns09.domaincontrol.com dns.jomax.net 2026050400 28800 7200 604800 600
Primary NS (mname)
pdns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026050400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns09.domaincontrol.com
pdns10.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.salesforce.com include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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
4 records- MS=ms31560295
- tppc3wdgqfh8cclnctwjd91rs5815nl1
- SPFv=spf1 include:_spf.salesforce.com include:sendgrid.net include:spf.protection.outlook.com -all
- cg4g9x0xpjv6q177nzn75qtcswgqxs3q
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