frankocustombuilding.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
frankocustombuilding.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 03:59:50 UTC · ↺ Refresh

MX Hostnames

  • frankocustombuilding-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.88.101 (no PTR)
  • 172.67.176.79 (no PTR)
  • 2606:4700:3035::6815:5865
  • 2606:4700:3033::ac43:b04f

Mail Server IPs

  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA brad.ns.cloudflare.com dns.cloudflare.com 2398857088 10000 2400 604800 1800
Primary NS (mname)
brad.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398857088
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jean.ns.cloudflare.com
brad.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;rua=mailto:[email protected];ruf=mailto:[email protected];fo=0
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

2 records
  • google-site-verification=Y-ASIQgtF6kjE5KSAJKuU4cxnlY-DfvHucyiLwzCH1I
  • SPFv=spf1 mx a include:spf.protection.outlook.com -all
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