Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
na.firstsource.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 01:22:41 UTC · ↺ Refresh
MX Hostnames
- mxb-0096f401.gslb.pphosted.com
- mxa-0096f401.gslb.pphosted.com
MX Priorities
No priority data.
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf-b.firstsource.com include:spf.protection.outlook.com exists:%{i}.spf.hc4569-25.iphmx.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];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
3 records- SPFv=spf1 include:spf-b.firstsource.com include:spf.protection.outlook.com exists:%{i}.spf.hc4569-25.iphmx.com ~all
- F0I4R47699
- wqT2U+V9aOaVzSJssQraT+ti6ihD8LemFgTe1ib7bHkFQIRFYi0sKskpDPvs66p5kUchKzz/2pkkFUEMLUcCfg==
Full email verification for na.firstsource.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits