Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcmahonplumbing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 16:35:13 UTC · ↺ Refresh
MX Hostnames
- mcmahonplumbing-com.mail.protection.outlook.com
MX Priorities
- mcmahonplumbing-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.35.182 (no PTR)
- 172.67.178.147 (no PTR)
- 2606:4700:3035::6815:23b6
- 2606:4700:3037::ac43:b293
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
mike.ns.cloudflare.com dns.cloudflare.com 2399668522 10000 2400 604800 1800
Primary NS (mname)
mike.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399668522
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mike.ns.cloudflare.com
vida.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +ip4:69.87.220.249 include:spf.protection.outlook.com include:_spf.safewebservices.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1;
✓ Reject — strongest protection
📋 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
6 records- google-site-verification=CdHWl-EVmrdcVyGI6VXhNASKisGU0wM5PTwys_i0o9I
- google-site-verification=MDmlBmRImlIHPJMKaR9IUJwOPNvdiNap5FkMt_MJo6A
- google-site-verification=yYjreV_DirRjzf20z2DxdRToOtkkX3kdQ19FaFE8tbg
- SPFv=spf1 +a +ip4:69.87.220.249 include:spf.protection.outlook.com include:_spf.safewebservices.com -all
- MS=ms54195389
- google-site-verification=9YOiOcON0oW1lCqtoFFL1-RCf0TkDbLL69BcBc63w0g
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