Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usoncology.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:33:10 UTC · ↺ Refresh
MX Hostnames
- mx0b-0016dd04.pphosted.com
- mx0a-0016dd04.pphosted.com
MX Priorities
- mx0b-0016dd04.pphosted.com: 10
- mx0a-0016dd04.pphosted.com: 10
A / AAAA Records
- 45.60.105.107 (no PTR)
- 45.60.44.107 (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
ddc1-nmgt-ins2.mckesson.com hostmaster.usoncology.com 1689857830 10800 3600 2592000 60
Primary NS (mname)
ddc1-nmgt-ins2.mckesson.com
Admin Email (rname)
hostmaster@usoncology.com
Serial
1689857830
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
60s
Nameservers (NS)
ep2ns02.mckesson.net
ep2ns01.mckesson.com
ep1ns04.mckesson.com
ep1ns03.mckesson.org
ep1ns02.mckesson.net
ep1ns01.mckesson.com
ep2ns03.mckesson.org
SPF Record
✓ Strict (-all)
v=spf1 mx:usoncology.com include:servers.mcsv.net include:spf.protection.outlook.com include:spf-0016dd04.pphosted.com ip4:143.112.139.10/32 ip4:143.112.121.13/32 ip4:148.163.140.193/32 ip4:148.163.144.193/32 ip4:143.112.32.21/32 ip4:143.112.32.22/32 ip4:54.240.112.29/32 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; 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: reject
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- cisco-ci-domain-verification=4ce98f9a7629ed433ef03d49f04c3b59020ef7ca26464ac16f395a25db792fd
- apple-domain-verification=UG2BOazgRJ1rJEZ7
- globalsign-domain-verification=E6B37AB6AFDA80B2E119726F3FCADD16
- globalsign-domain-verification=E1935849D855F8E0631A3DFF49A4E9A1
- apple-domain-verification=uG2HW0hua0EWe5sR
- zscaler-verification-137626923-9302025-4MrUV
- qXeSjncZkEdIrBt/mlr4bpTHQxUTBb6RnOhuf+hA92eP9Z6TNzQZZUaAexADmPl7cQ6VE44vzKE3zpI2lotdPQ==
- SPFv=spf1 mx:usoncology.com include:servers.mcsv.net include:spf.protection.outlook.com include:spf-0016dd04.pphosted.com ip4:143.112.139.10/32 ip4:143.112.121.13/32 ip4:148.163.140.193/32 ip4:148.163.144.193/32 ip4:143.112.32.21/32 ip4:143.112.32.22/32 ip4:54.240.112.29/32 -all
- cisco-ci-domain-verification=3f1aab9a8eb6c9606de9d89b292152673e792ca7f5b86f399824d5d07f12c9d8
- CisionOne SAML=7fd0d81811493b4c7f76f070592ca25ecf3ffc3a867a97ecdb79c7addf0b5171
- cisco-ci-domain-verification=c049bc5acd6b6dc15cb9671672912713dd968bda1cda5917c8888ab8fb0357e
- cisco-ci-domain-verification=4167645982269352b25004e2095aa5e6e966b40fb8cead218403feba1c401cd6
- cisco-ci-domain-verification=5065888991e488d60cc9593f4b037ca1c80c2850e02f4b3a5fa3b851873f4e96
- atlassian-domain-verification=gsDuvpVuuRKIaIKumVqSuZQSQRKqU3N1C1k1fzdGarBkVd2VGgHI8jzltiZ6hQJ5
- cisco-ci-domain-verification=35e7decfba8c7913828db4c8198e63e6591c8a9c477755fe16cc7a40fa12a3a4
- cisco-ci-domain-verification=602d5f862c72b65dc20455f6630021dfd35a970b1b9309ef7f8cc91e6b2d2bf
- google-site-verification=AEl1Wq3BYroZnjDv9JqtnaW9CTtBJA6pniGVLJ8G47o
- miro-verification=88fbc5bc244b32dbb566b32a427f088e92b3008e
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