Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcog.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 03:32:32 UTC · ↺ Refresh
MX Hostnames
- mxa-0016dd04.gslb.pphosted.com
- mxb-0016dd04.gslb.pphosted.com
MX Priorities
- mxa-0016dd04.gslb.pphosted.com: 10
- mxb-0016dd04.gslb.pphosted.com: 10
A / AAAA Records
- 137.117.16.234 (no PTR)
Mail Server IPs
- 148.163.140.193 ↩ mx0b-0016dd04.pphosted.com
- 148.163.144.193 ↩ mx0a-0016dd04.pphosted.com
SOA Record
Raw SOA
ndh1-nmgt-ins2.mckesson.com hostmaster.usoncology.com 1569420115 10800 3600 2592000 60
Primary NS (mname)
ndh1-nmgt-ins2.mckesson.com
Admin Email (rname)
hostmaster@usoncology.com
Serial
1569420115
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
60s
Nameservers (NS)
ep1ns02.mckesson.net
ep2ns02.mckesson.net
ep1ns03.mckesson.org
ep2ns01.mckesson.com
ep2ns03.mckesson.org
ep1ns01.mckesson.com
ep1ns04.mckesson.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx:usoncology.com include:usoncology.com include:spf-0016dd04.pphosted.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; adkim=r; aspf=r; fo=1; pct=100; rf=afrf; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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=ms77307595
- SPFv=spf1 mx:usoncology.com include:usoncology.com include:spf-0016dd04.pphosted.com ~all
Full email verification for rcog.com
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