Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biosite.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 02:21:48 UTC · ↺ Refresh
MX Hostnames
- mxa-00033b02.gslb.pphosted.com
- mxb-00033b02.gslb.pphosted.com
MX Priorities
- mxa-00033b02.gslb.pphosted.com: 10
- mxb-00033b02.gslb.pphosted.com: 10
A / AAAA Records
- 165.160.13.20 (no PTR)
Mail Server IPs
- 148.163.143.103 ↩ mx0b-00033b02.pphosted.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2012062855 28800 7200 604800 14400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2012062855
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
dns1.cscdns.net
dns2.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf1.abbott.com include:_spf2.abbott.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms70592158
- SPFv=spf1 include:spf.protection.outlook.com include:_spf1.abbott.com include:_spf2.abbott.com -all
Full email verification for biosite.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits