Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aptiumoncology.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:28:01 UTC · ↺ Refresh
MX Hostnames
- aptiumoncology-com.mail.protection.outlook.com
MX Priorities
- aptiumoncology-com.mail.protection.outlook.com: 0
A / AAAA Records
- 148.66.244.86 (no PTR)
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 58 10800 3600 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
58
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
cbru.br.ns.els-gms.att.net
cmtu.mt.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.65.212.69 ip4:216.154.251.100 ip4:67.231.154.164 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=ms45526015
- 47kh3q7csd74jnua9a9ehpcoua
- SPFv=spf1 ip4:216.65.212.69 ip4:216.154.251.100 ip4:67.231.154.164 include:spf.protection.outlook.com ~all
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