Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jrcmechanical.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:27:08 UTC · ↺ Refresh
MX Hostnames
- jrcmechanical-com.mail.protection.outlook.com
MX Priorities
- jrcmechanical-com.mail.protection.outlook.com: 0
A / AAAA Records
- 50.62.143.88 ↩ 88.143.62.50.host.secureserver.net
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2025102500 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025102500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns52.domaincontrol.com
ns51.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=r; adkim=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- SPFv=spf1 include:spf.protection.outlook.com -all
- apple-domain-verification=OIPg4O1r3Xf2q1ih
- apple-domain-verification=XOXe2iFxNeqm7nMB
- 3M/vpGwH5QPfAR89i5lTybZStgI6zYQgqcVMQvQKN8rkcWvgGV38LRjBSfSrMY6T7kOWgc7BKdmnY8OUhZcBVw==
- MS=ms53460089
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